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(WPTV)   Come live in Florida, where the sun is bright, the beaches are warm and the SINKHOLES SWALLOW YOU WHOLE WHILE YOU'RE SLEEPING   (wptv.com) divider line 127
    More: Scary, sleeps, beaches  
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7235 clicks; posted to Main » on 01 Mar 2013 at 10:36 AM (1 year ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-03-01 10:04:11 AM
Man I gotta say. I woke up this morning, the girl isn't talking to me, I'm hungover, I don't even want to look at my Facebook page, I'm vaguely miserable.

Then I read this story and suddenly it's a bright new day!
 
2013-03-01 10:24:11 AM
And this right here is why I would never, ever, ever, buy a house in South Florida.

Ok, well, one of the reasons. There's also the rampant development, the greasy hustlers, the entitled old people, the out and out dysfunctional that South Florida attracts.

But mostly it's the geology. There is the ever present possibility that the earth will open up and swallow your entire house with no warning. Not to mentions the ongoing battles over sinkhole insurance rates and fraud....
 
2013-03-01 10:27:48 AM

Elegy: And this right here is why I would never, ever, ever, buy a house in South Florida.

Ok, well, one of the reasons. There's also the rampant development, the greasy hustlers, the entitled old people, the out and out dysfunctional that South Florida attracts.

But mostly it's the geology. There is the ever present possibility that the earth will open up and swallow your entire house with no warning. Not to mentions the ongoing battles over sinkhole insurance rates and fraud....


Seffner is not South Florida. It's Hillsborough County, up here by Tampa.
 
2013-03-01 10:41:09 AM
To be fair, I doubt he was actually sleeping when he entered the hole....
 
2013-03-01 10:41:19 AM
Anybody notice the terrible pictures? That's the best you got?
 
2013-03-01 10:41:38 AM

Confabulat: Seffner is not South Florida. It's Hillsborough County, up here by Tampa.


Technically correct, but as I live in the panhandle, anything south of Gainesville is South Florida to me.

/derp
//I feel stupid now
 
2013-03-01 10:42:10 AM
Yes, here in Tampa, we have terrible horrors.  Gators, giant snakes, sinkholes, gators, sharks, hurricanes, gators, deadly spiders, all kinds of deadly vipers, gators, and maybe more gators.  Don't come here.
 
2013-03-01 10:42:38 AM
Your living on a sandbar.
 
2013-03-01 10:42:40 AM
How deep do sinkholes typically get?
 
2013-03-01 10:43:03 AM

Elegy: Confabulat: Seffner is not South Florida. It's Hillsborough County, up here by Tampa.

Technically correct, but as I live in the panhandle, anything south of Gainesville is South Florida to me.

/derp
//I feel stupid now


Living in Gainesville? I'd rather live in that sinkhole, than your sh*thole.
 
2013-03-01 10:43:22 AM

AFKobel: To be fair, I doubt he was actually sleeping when he entered the hole....


Was she?

Wait, what are we talking about again?
 
2013-03-01 10:44:33 AM
All those photos and not one photo of the hole. I also hate it when they quote the horrible grammar of the interviewee. That's one place where I would love to see paraphrasing.

/not a grammar nazi
 
2013-03-01 10:45:17 AM

SkeletorUpInHere: Anybody notice the terrible pictures? That's the best you got?


I know!  We paid good money to read that article!
 
2013-03-01 10:46:16 AM
Swallow you whole.  The rest of you too...
 
2013-03-01 10:46:32 AM

Elegy: Technically correct, but as I live in the panhandle, anything south of Gainesville is South Florida to me.


Ha I grew up in the Panhandle, understand where you're coming from. But after 15 or so years here in Tampa Bay, we have enough of our own crazies without having to deal with being confused with those weirdos downstate.
 
2013-03-01 10:46:38 AM
Slab foundations will get you every time.
 
2013-03-01 10:47:07 AM

katerbug72: All those photos and not one photo of the hole. I also hate it when they quote the horrible grammar of the interviewee. That's one place where I would love to see paraphrasing.

/not a grammar nazi


My guess is the hole is still inside the house. There's no photos of the hole anywhere.
 
2013-03-01 10:47:23 AM

Slartibeerfest: How deep do sinkholes typically get?


I'm not sure, but In China they're known as "Volcanoes"
 
2013-03-01 10:47:23 AM

Slartibeerfest: How deep do sinkholes typically get?


It can be hundreds of feet.  Big ones evenutally become lakes.
 
2013-03-01 10:47:34 AM
"I heard my brother screaming and I ran back there and tried going inside his room, but my old lady turned the light on and all I seen was this big hole, a real big hole, and all I saw was his mattress."

It's always best to strap a 2"x4" to your back before going to bed.
 
2013-03-01 10:48:21 AM
Nothing ever trumps the [FLORIDA] tag s'mitter. NOTHING. Use it.
 
2013-03-01 10:48:47 AM
My headline was better.

"Florida man divides by zero".

funnydemotivationalposters.com
 
2013-03-01 10:48:54 AM
There's a sinkhole in Gainesville that's basically become an entire ecosystem. Paine's Prairie.
 
2013-03-01 10:50:16 AM

Slartibeerfest: How deep do sinkholes typically get?


No way to know. It can be 10 feet "shift the foundation" type of event,
 
2013-03-01 10:52:21 AM

valar_morghulis: There's a sinkhole in Gainesville that's basically become an entire ecosystem. Paine's Prairie.


You're thinking of Devil's Millhopper. Payne's Prairie is a gigantic marsh, not a sinkhole.
 
2013-03-01 10:54:20 AM

Confabulat: valar_morghulis: There's a sinkhole in Gainesville that's basically become an entire ecosystem. Paine's Prairie.

You're thinking of Devil's Millhopper. Payne's Prairie is a gigantic marsh, not a sinkhole.


Payne's Prarie was made by a sinkhole, but it isn't one.  It was a lake until the sinkhole emptied it.
 
2013-03-01 10:54:45 AM
ecx.images-amazon.com
 
2013-03-01 10:55:16 AM
They're only calling it a sinkhole because they don't want you to know about the graboids.
 
2013-03-01 10:55:25 AM
Winter Park scoffs at your puny sinkhole.  Get back when it's eaten half a dozen Porsches and a Winnebago.
 
2013-03-01 10:55:37 AM
Currently on a job site working on fixing a potential sinkhole not even 5 miles from the one in the article. I mean, it sucks for the guy and his family, but as someone in the sinkhole repair industry, stories like this give me some feelings of job security. Now if only Citizen's Property Insurance could just get their act together...

(Oh yeah, something about getting kicks or whatever.)
 
2013-03-01 10:56:08 AM
From the article, it says that the hole is at least 50 feet deep and a hundred feel across, but the only breach is inside the house.

Specifically, inside the guy's bedroom.

What kinda farking luck is that?  I hope to god the guy was asleep when it happened and he didn't feel a thing.  Can you imagine?  Laying there, worrying about things, staring at the ceiling and then the floor falls out, the ground literally opens up to swallow you whole and you DIE in the dark.

As for the family members, well, they just lost their home.  They'll never be able to live there again.

It's a farking tragedy.
 
2013-03-01 10:56:30 AM
www.honeysucklegelato.com
 
2013-03-01 10:58:47 AM
These are common in Florida, they're opened by aliens who need to take a crap.
 
2013-03-01 10:59:01 AM

Infernalist: I hope to god the guy was asleep when it happened and he didn't feel a thing.


Well his brother heard him screaming so that's not likely.

But yeah, seriously, of all the things to worry about when you're lying in bed, that one never usually crosses my mind. I bet all the other worries suddenly get put in remarkable perspective.
 
2013-03-01 10:59:12 AM

Slartibeerfest: How deep do sinkholes typically get?


Learn Mandarin
 
2013-03-01 10:59:35 AM

Infernalist: From the article, it says that the hole is at least 50 feet deep and a hundred feel across, but the only breach is inside the house.

Specifically, inside the guy's bedroom.

What kinda farking luck is that?  I hope to god the guy was asleep when it happened and he didn't feel a thing.  Can you imagine?  Laying there, worrying about things, staring at the ceiling and then the floor falls out, the ground literally opens up to swallow you whole and you DIE in the dark.

As for the family members, well, they just lost their home.  They'll never be able to live there again.

It's a farking tragedy.


Imagine if he's still alive somewhere down in the sinkhole. That would suck...
 
2013-03-01 10:59:40 AM

rancidPlasma: Nothing ever trumps the [FLORIDA] tag s'mitter. NOTHING. Use it.


Was going to point that out.  Well done.
 
2013-03-01 10:59:58 AM

J.Shelby: Confabulat: valar_morghulis: There's a sinkhole in Gainesville that's basically become an entire ecosystem. Paine's Prairie.

You're thinking of Devil's Millhopper. Payne's Prairie is a gigantic marsh, not a sinkhole.

Payne's Prarie was made by a sinkhole, but it isn't one.  It was a lake until the sinkhole emptied it.


I didn't know that about Payne's Prairie. I used to live in an apartment complex next to it and would wander around the trails sometimes too. Lots of snakes.
 
2013-03-01 11:02:11 AM
Florida sucks...literally.
 
2013-03-01 11:02:12 AM

Confabulat: /not a grammar nazi

My guess is the hole is still inside the house. There's no photos of the hole a


Jesus people... RTFA.

The sinkhole is naturally occurring and appears to be about 100 feet (30 meters) across, based on estimates made by engineers using radar, and it may be as deep as 50 feet, authorities say. It's not visible except inside the home.
 
2013-03-01 11:03:32 AM
It wasn't a giant sink hole, it was really Paris Hilton.
 
2013-03-01 11:04:47 AM
Confabulat:

I didn't know that about Payne's Prairie. I used to live in an apartment complex next to it and would wander around the trails sometimes too. Lots of snakes.

Its intermittent.  It has Florida's usual geology under it.  To quote Wikipedia: "There have been times when the prairie's drainage became so blocked that it flooded, causing the formation of a lake. The most recent such occurrence was in 1871, and lasted until 1886. During this period, steamboats were a frequent sight on what was called Alachua Lake."
 
2013-03-01 11:04:51 AM

J.Shelby: Yes, here in Tampa, we have terrible horrors.  Gators, giant snakes, sinkholes, gators, sharks, hurricanes, gators, deadly spiders, all kinds of deadly vipers, gators, and maybe more gators.  Don't come here.


Florida, America's Australia.
 
2013-03-01 11:05:06 AM
Does anyone else think that house does not look 100 feet long? The hole is supposedly 100 feet across, yet not visible except inside the house. That house's size is rather decieving I guess.
 
2013-03-01 11:05:16 AM

StrikitRich: Winter Park scoffs at your puny sinkhole.  Get back when it's eaten half a dozen Porsches and a Winnebago.


Or when it pours radioactive phosphogypsum into the groundwater...
i.imgur.com
 
2013-03-01 11:08:04 AM

NotoriousFire: Does anyone else think that house does not look 100 feet long? The hole is supposedly 100 feet across, yet not visible except inside the house. That house's size is rather decieving I guess.


The only 'breach' is inside the house.  The sinkhole exists even if it hasn't opened up completely yet.
 
2013-03-01 11:08:12 AM

NotoriousFire: Does anyone else think that house does not look 100 feet long? The hole is supposedly 100 feet across, yet not visible except inside the house. That house's size is rather decieving I guess.


It's not that big. It was misreported. The safety zone is 100 ft wide, though.
 
2013-03-01 11:08:17 AM
Florida, Americas wang - Homer Simpson
So are the sinkholes Americas herpes?
 
2013-03-01 11:13:57 AM
Wonder if the Sarlacc under the house was disclosed on the home inspection?

Huntceet: Florida, Americas wang - Homer Simpson
So are the sinkholes Americas herpes?


No, you're thinking of Yankees.
 
2013-03-01 11:14:16 AM

Gabrielmot: Confabulat: /not a grammar nazi

My guess is the hole is still inside the house. There's no photos of the hole a

Jesus people... RTFA.

The sinkhole is naturally occurring and appears to be about 100 feet (30 meters) across, based on estimates made by engineers using radar, and it may be as deep as 50 feet, authorities say. It's not visible except inside the home.


Thank you sir, now could you help me with the math?  Don't you think the house has a rather large footprint if a 7,850 square foot hole can be hidden inside with room to spare? Diameter alleged to be 100', so 50*50*3.14=7850.
 
2013-03-01 11:15:17 AM
He didn't die from the fall, and don't go in after him. And nevermind the elevator in the house.
2.bp.blogspot.com
Obscure as hell b/c I can't find the right image.
 
2013-03-01 11:15:33 AM
We're all going to die.
Sinkholes are on the rise, along with earthquakes, meteors, and solar flares.
We are living in the end times.
 
2013-03-01 11:21:00 AM

Fark In The Duck: Swallow you whole.  The rest of you too...


Sounds like you've met my ex-wife.
 
2013-03-01 11:21:48 AM

Confabulat: Elegy: And this right here is why I would never, ever, ever, buy a house in South Florida.

Ok, well, one of the reasons. There's also the rampant development, the greasy hustlers, the entitled old people, the out and out dysfunctional that South Florida attracts.

But mostly it's the geology. There is the ever present possibility that the earth will open up and swallow your entire house with no warning. Not to mentions the ongoing battles over sinkhole insurance rates and fraud....

Seffner is not South Florida. It's Hillsborough County, up here by Tampa.


Actually, you have a better chance at getting sucked a little further north.  How do you think all those lakes got in Orlando?
 
2013-03-01 11:22:24 AM

J.Shelby: Confabulat: valar_morghulis: There's a sinkhole in Gainesville that's basically become an entire ecosystem. Paine's Prairie.

You're thinking of Devil's Millhopper. Payne's Prairie is a gigantic marsh, not a sinkhole.

Payne's Prarie was made by a sinkhole, but it isn't one.  It was a lake until the sinkhole emptied it.


I stand corrected!
 
2013-03-01 11:24:12 AM

Rip Dashrock: J.Shelby: Yes, here in Tampa, we have terrible horrors.  Gators, giant snakes, sinkholes, gators, sharks, hurricanes, gators, deadly spiders, all kinds of deadly vipers, gators, and maybe more gators.  Don't come here.

Florida, America's Australia.


The women aren't as attractive.
 
2013-03-01 11:24:45 AM
Is there a way to create a sinkhole the approximate size of Dade County?
 
2013-03-01 11:24:50 AM

StrikitRich: Winter Park scoffs at your puny sinkhole.  Get back when it's eaten half a dozen Porsches and a Winnebago.


I remember that.  I was living on Corrine back then.

Didn't they turn it into a park?
 
2013-03-01 11:29:34 AM
assets.nydailynews.com
 
2013-03-01 11:29:35 AM

J.Shelby: Yes, here in Tampa, we have terrible horrors.  Gators, giant snakes, sinkholes, gators, sharks, hurricanes, gators, deadly spiders, all kinds of deadly vipers, gators, and maybe more gators.  Don't come here.


Yeah no worries about that ever happening.
 
2013-03-01 11:32:51 AM

Dion Fortune: We're all going to die.
Sinkholes are on the rise, along with earthquakes, meteors, and solar flares.
We are living in the end times.


I bet you're a blast at parties.
 
2013-03-01 11:42:13 AM

Confabulat: katerbug72: All those photos and not one photo of the hole. I also hate it when they quote the horrible grammar of the interviewee. That's one place where I would love to see paraphrasing.

/not a grammar nazi

My guess is the hole is still inside the house. There's no photos of the hole anywhere.


It also has been making phone calls to 9-1-1.
 
2013-03-01 11:43:44 AM

Glancing Blow: Gabrielmot: Confabulat: /not a grammar nazi

My guess is the hole is still inside the house. There's no photos of the hole a

Jesus people... RTFA.

The sinkhole is naturally occurring and appears to be about 100 feet (30 meters) across, based on estimates made by engineers using radar, and it may be as deep as 50 feet, authorities say. It's not visible except inside the home.

Thank you sir, now could you help me with the math?  Don't you think the house has a rather large footprint if a 7,850 square foot hole can be hidden inside with room to spare? Diameter alleged to be 100', so 50*50*3.14=7850.


Ok, I got this one guys.

Catastrophic sinkholes like this are called "cover collapse" sinkholes. They happen because the sediments on top of the limestone have enough clay in them to stick together without the support of rock underneath. These features tend to collapse all at once (catostrophicly, even) because the topsoil holds over a void, sometimes for years, before collapsing all at once. Contrast to areas that have more sand in topsoil, where you get subsidence sinkholes that look like shallow, sandy depressions.

So what you have here is a large void, covered by a dome of clay. That clay collapse at the point where the guy's room was, sucking him into the void underneath the topsoil.

The emergency crews would have run ground penetrating radar around the house. Hence, they can tell that the void itself is quite large, large enough to swallow the house. However, the remaining topsoil is still holding together, and the only breach is inside the house. For how long, no one knows - hence the large safety zone around the house and why they won't let rescue crews near it.

So yes, the sinkhole is probably larger than the house. It's just that currently, the only area of topsoil that has given way is the small area under the bedroom.

Does that make sense?
 
2013-03-01 11:52:07 AM

Elegy: Does that make sense?


Plenty of sense and well-put. I'm expecting a CNN anchor to blame it on global warming.
 
2013-03-01 11:54:34 AM

Glancing Blow: Gabrielmot: Confabulat: /not a grammar nazi

My guess is the hole is still inside the house. There's no photos of the hole a

Jesus people... RTFA.

The sinkhole is naturally occurring and appears to be about 100 feet (30 meters) across, based on estimates made by engineers using radar, and it may be as deep as 50 feet, authorities say. It's not visible except inside the home.

Thank you sir, now could you help me with the math?  Don't you think the house has a rather large footprint if a 7,850 square foot hole can be hidden inside with room to spare? Diameter alleged to be 100', so 50*50*3.14=7850.


Imagine it as a 100 foot balloon under the house and only the top of the balloon has a small hole.
 
2013-03-01 11:57:54 AM

Confabulat: valar_morghulis: There's a sinkhole in Gainesville that's basically become an entire ecosystem. Paine's Prairie.

You're thinking of Devil's Millhopper. Payne's Prairie is a gigantic marsh, not a sinkhole.


Payne's Prairie is very much a type of sinkhole feature, its a type of polje, which is a large regional feature that can be though of as an amalgamation of sinkholes. A typical aspect of a polje is call a swallet, a karst window that surface water drains into, such as La Chua sink where the water from the prairie basin ends up.  Sometimes it gets clogged and Alachua Lake reappears for a while.

Both PP and Devil's Millhopper are classic sinkhole features, with great ecological aspects as well.

>Geologist who lives in Gainesville and works with sinkhole detection.
 
2013-03-01 11:59:46 AM

starscream1690: Confabulat: valar_morghulis: There's a sinkhole in Gainesville that's basically become an entire ecosystem. Paine's Prairie.

You're thinking of Devil's Millhopper. Payne's Prairie is a gigantic marsh, not a sinkhole.

Payne's Prairie is very much a type of sinkhole feature, its a type of polje, which is a large regional feature that can be though of as an amalgamation of sinkholes. A typical aspect of a polje is call a swallet, a karst window that surface water drains into, such as La Chua sink where the water from the prairie basin ends up.  Sometimes it gets clogged and Alachua Lake reappears for a while.

Both PP and Devil's Millhopper are classic sinkhole features, with great ecological aspects as well.

>Geologist who lives in Gainesville and works with sinkhole detection.


Dammit you made me learn something today.
 
2013-03-01 12:05:13 PM
they're all gonna laugh at you
 
2013-03-01 12:17:19 PM

Elegy: Glancing Blow: Gabrielmot: Confabulat: /not a grammar nazi

My guess is the hole is still inside the house. There's no photos of the hole a

Jesus people... RTFA.

The sinkhole is naturally occurring and appears to be about 100 feet (30 meters) across, based on estimates made by engineers using radar, and it may be as deep as 50 feet, authorities say. It's not visible except inside the home.

Thank you sir, now could you help me with the math?  Don't you think the house has a rather large footprint if a 7,850 square foot hole can be hidden inside with room to spare? Diameter alleged to be 100', so 50*50*3.14=7850.

Ok, I got this one guys.

Catastrophic sinkholes like this are called "cover collapse" sinkholes. They happen because the sediments on top of the limestone have enough clay in them to stick together without the support of rock underneath. These features tend to collapse all at once (catostrophicly, even) because the topsoil holds over a void, sometimes for years, before collapsing all at once. Contrast to areas that have more sand in topsoil, where you get subsidence sinkholes that look like shallow, sandy depressions.

So what you have here is a large void, covered by a dome of clay. That clay collapse at the point where the guy's room was, sucking him into the void underneath the topsoil.

The emergency crews would have run ground penetrating radar around the house. Hence, they can tell that the void itself is quite large, large enough to swallow the house. However, the remaining topsoil is still holding together, and the only breach is inside the house. For how long, no one knows - hence the large safety zone around the house and why they won't let rescue crews near it.

So yes, the sinkhole is probably larger than the house. It's just that currently, the only area of topsoil that has given way is the small area under the bedroom.

Does that make sense?


Not a bad summary, good job.

Just FYI I work with this type of ground penetrating radar on a daily basis.  I'd take that 100 ft diameter cavity estimate with a big grain of salt, GPR is only really seeing down about 15 feet or so, less if there are clayey soils (clay "soaks up" radar signals and would severely restrict the penetration with the type of antenna they are using in the video).  All they are likely seeing are reflectors that may indicate dipping or disturbed soil layers near surface around the house, signals that can also result from construction of the house, removed trees, natural bedding (ancient dunes, etc).

Still, it was definitely a good idea to evacuate the immediate area, this thing is probably going to keep getting bigger this early in the game.

>Not the first time I've seen a bedroom end up 20 feet down, but this is the first "civilian" mortality I know of.  Sinkhole killed a driller working a drill rig a few years ago.  Sucks for the family members.
 
2013-03-01 12:19:56 PM

Another Government Employee: StrikitRich: Winter Park scoffs at your puny sinkhole.  Get back when it's eaten half a dozen Porsches and a Winnebago.

I remember that.  I was living on Corrine back then.

Didn't they turn it into a park?


Yep, its now Lake Rose.
 
2013-03-01 12:31:26 PM

Elegy: Confabulat: Seffner is not South Florida. It's Hillsborough County, up here by Tampa.

Technically correct, but as I live in the panhandle, anything south of Gainesville is South Florida to me.

/derp
//I feel stupid now


Huh. Florida has a pecking order. Who knew?
 
2013-03-01 12:31:43 PM
That's funny because 'sinkhole' is the nickname for subby's mom. And yes, she does do that when you're sleeping too....

Slartibeerfest: How deep do sinkholes typically get?


I've never hit bottom with her...
 
2013-03-01 12:44:59 PM
That house is about 5 miles from mine.

That's not good.

Usually these appear after the farmers pump all of the water out to protect the strawberries during the winter. This is nowhere near any strawberry fields though.
 
2013-03-01 12:45:48 PM

starscream1690: >Geologist who lives in Gainesville and works with sinkhole detection.


Off topic, but have we met?
 
2013-03-01 12:57:24 PM

Deep Contact: Your living on a sandbar.


What about my living on a sandbar?
 
2013-03-01 12:59:01 PM

numsix: That house is about 5 miles from mine.

That's not good.

Usually these appear after the farmers pump all of the water out to protect the strawberries during the winter. This is nowhere near any strawberry fields though.


As I understand, they can happen pretty much anywhere, anytime the water table gets too low there. But what do I know? I'm no geologist or hydraulogist.
 
2013-03-01 01:00:47 PM
The ground just swallowed him up.

Um, repent or ye shall likewise perish?
 
2013-03-01 01:02:00 PM
Came for the "this guy was so fat...." jokes.

Leaving sorely disappointed.
 
2013-03-01 01:05:52 PM
Killed by a sinkhole under his bed. Well, at least he went out in a more interesting way than almost everyone else. Sucks though.
 
2013-03-01 01:11:08 PM

thisisyourbrainonFark: [assets.nydailynews.com image 635x599]


Not "stinkhole" - SINKHOLE.   Oh wait, that works too.
 
2013-03-01 01:24:24 PM
Love the knowledge dished out here about our geology.  Florida is really unique and beautiful in that sense.  Too bad quite a few members of a certain political party are still trying to base our entire economy around residential development.
 
2013-03-01 01:28:42 PM

mikaloyd: Elegy: Confabulat: Seffner is not South Florida. It's Hillsborough County, up here by Tampa.

Technically correct, but as I live in the panhandle, anything south of Gainesville is South Florida to me.

/derp
//I feel stupid now

Huh. Florida has a pecking order. Who knew?


A rather complex one.
Miami+Ft. Lauderdale = capital of the Third World.
Rest of South Florida = old rich yankees.
Orlando and Atlantic Coast = poor yankee trash.
Naples+Sarasota = rich old midwesterners.
Tampa/St. Pete = poor yankee trash with a few Cubans and SE Asians sprinkled in.
Land around the Big O (Lake Okeechobee) = the old west, with tons of Cowboys, Indians, and wide open spaces.
Central Florida, excepting Orlando = hillbillies+Ohio meth addicts.
Panhandle = the South.
 
2013-03-01 01:32:45 PM

numsix: That house is about 5 miles from mine.

That's not good.

Usually these appear after the farmers pump all of the water out to protect the strawberries during the winter. This is nowhere near any strawberry fields though.


So the victim isn't in strawberry fields forever?
 
2013-03-01 01:34:27 PM

thewitchking: J.Shelby: Yes, here in Tampa, we have terrible horrors.  Gators, giant snakes, sinkholes, gators, sharks, hurricanes, gators, deadly spiders, all kinds of deadly vipers, gators, and maybe more gators.  Don't come here.

Yeah no worries about that ever happening.


Also, the Tampa Bay area is the lightning capitol of North America, home to the best lightning research facility, and one of the World's major lightning hotspots.  Bonus.
 
2013-03-01 01:39:39 PM

FLMountainMan: Love the knowledge dished out here about our geology.  Florida is really unique and beautiful in that sense.  Too bad quite a few members of a certain political party are still trying to base our entire economy around residential development.


Preach on brother.
 
2013-03-01 01:43:50 PM
'You sure this is a way to make meth?!?'
t3.gstatic.com
 
2013-03-01 02:17:40 PM
Taken out of context this really does remind me of something you might here in Florida  " my old lady turned the light on and all I seen was this big hole "
 
2013-03-01 02:37:13 PM
What a horrific and random way to die. Makes you reconsider your retirement plans... YOLO, dude, do everything fun every day because you could be eaten by a sinkhole!
 
2013-03-01 02:39:23 PM
BAN ASSAULT HOLES!
 
2013-03-01 02:46:12 PM

starscream1690: Elegy: Glancing Blow: Gabrielmot: Confabulat: /not a grammar nazi

My guess is the hole is still inside the house. There's no photos of the hole a

Jesus people... RTFA.

The sinkhole is naturally occurring and appears to be about 100 feet (30 meters) across, based on estimates made by engineers using radar, and it may be as deep as 50 feet, authorities say. It's not visible except inside the home.

Thank you sir, now could you help me with the math?  Don't you think the house has a rather large footprint if a 7,850 square foot hole can be hidden inside with room to spare? Diameter alleged to be 100', so 50*50*3.14=7850.

Ok, I got this one guys.

Catastrophic sinkholes like this are called "cover collapse" sinkholes. They happen because the sediments on top of the limestone have enough clay in them to stick together without the support of rock underneath. These features tend to collapse all at once (catostrophicly, even) because the topsoil holds over a void, sometimes for years, before collapsing all at once. Contrast to areas that have more sand in topsoil, where you get subsidence sinkholes that look like shallow, sandy depressions.

So what you have here is a large void, covered by a dome of clay. That clay collapse at the point where the guy's room was, sucking him into the void underneath the topsoil.

The emergency crews would have run ground penetrating radar around the house. Hence, they can tell that the void itself is quite large, large enough to swallow the house. However, the remaining topsoil is still holding together, and the only breach is inside the house. For how long, no one knows - hence the large safety zone around the house and why they won't let rescue crews near it.

So yes, the sinkhole is probably larger than the house. It's just that currently, the only area of topsoil that has given way is the small area under the bedroom.

Does that make sense?

Not a bad summary, good job.

Just FYI I work with this type of ground penetrating radar on ...


Dang.

So what do you do if you want to buy a house down there?  Hire GP radar? too expensive?

Pray?
 
2013-03-01 02:51:48 PM
PunGent:
Dang.
So what do you do if you want to buy a house down there?  Hire GP radar? too expensive?
Pray?


When I bought my house, I completely ignored the sinkhole issue, mostly because its not an issue.  In spite of crazy stories like this, its incredibly rare.  You're much more likely to be struck by lightning than have a sinkhole under your house.  Also, sinkhole insurance covers damage, and personal injury is almost unheard of.
 
2013-03-01 03:06:58 PM

J.Shelby: PunGent:
Dang.
So what do you do if you want to buy a house down there?  Hire GP radar? too expensive?
Pray?

When I bought my house, I completely ignored the sinkhole issue, mostly because its not an issue.  In spite of crazy stories like this, its incredibly rare.  You're much more likely to be struck by lightning than have a sinkhole under your house.  Also, sinkhole insurance covers damage, and personal injury is almost unheard of.


You'd be surprised how much this isn't true anymore since the legislature rewrote the statutes a couple of years ago:

Some relevant language from 627.706:

(a)"Catastrophic ground cover collapse" means geological activity that results in all the following:1.The abrupt collapse of the ground cover;2.A depression in the ground cover clearly visible to the naked eye;3.Structural damage to the covered building, including the foundation; and4.The insured structure being condemned and ordered to be vacated by the governmental agency authorized by law to issue such an order for that structure.
Contents coverage applies if there is a loss resulting from a catastrophic ground cover collapse. Damage consisting merely of the settling or cracking of a foundation, structure, or building does not constitute a loss resulting from a catastrophic ground cover collapse.

Also, your homeowner's insurance probably has this statute driven language:

"YOUR POLICY PROVIDES COVERAGE FOR A CATASTROPHIC GROUND COVER COLLAPSE THAT RESULTS IN THE PROPERTY BEING CONDEMNED AND UNINHABITABLE. OTHERWISE, YOUR POLICY DOES NOT PROVIDE COVERAGE FOR SINKHOLE LOSSES. YOU MAY PURCHASE ADDITIONAL COVERAGE FOR SINKHOLE LOSSES FOR AN ADDITIONAL PREMIUM."

So, in this tragic case its likely fully covered, however unless you paid a sizable additional premium, if you have a giant hole open up in your yard, swallow your driveway and shed, but not cause "structural" damage, too bad so sad.  Likewise, if the hole opens up over a week but not a few hours, and causes widespread cracking that doesn't quite make it to "structural" level, SOL also.
 
2013-03-01 03:09:58 PM
When buying a house in Fl. make sure the seller provides a sinkhole probability study. If all is well they provide a certificate so if something does happen you have someone to sue for damages. Not to expensive and saves you on homeowners insurance.
 
2013-03-01 03:11:36 PM
PunGent: Dang.

So what do you do if you want to buy a house down there? Hire GP radar? too expensive?

Pray?



J.Shelby:  When I bought my house, I completely ignored the sinkhole issue, mostly because its not an issue.  In spite of crazy stories like this, its incredibly rare.  You're much more likely to be struck by lightning than have a sinkhole under your house.  Also, sinkhole insurance covers damage, and personal injury is almost unheard of.

Sinkhole problems are pretty common, and are becoming moreso with Florida's ever expanding population and the drain on the water table (plant city strawberry farmers anyone). Dramatic overnight loss of life and/or property are much less common and generally only happen about once a year. Most sinkhole damage happens as damage to the foundation that needs immediate remediation to ensure the house remains livable; this is so common that there is an ongoing battle over insurance fraud and insurance rates in Florida over it. A couple of years ago Hillsborough county insurance companies wanted to raise their premiums something like 500% in one year on ALL customers just to cover sinkhole claims and related frauds; I think state regulators ended up giving them something like a 30% hike.

As for detecting a sinkhole before you buy a house, there's really no good way to know for sure. Pretty much you inspect the house and make sure there are no cracks in the walls/windows and doors fit right, either which would indicate the ground under the hosue is moving. And then you pay a high premium for sinkhole insurance and hope you never have to file a claim. So yeah, prey.

Generally, when you file a claim, the insurnace company will come out and do a blow count test, which is generally more reliable than GPR, which can only detect features at a limited depth. Essentially, they take a steel rod and drive it into the ground using a standard weight dropped from a standard height and calculate how far the rod moves with each set of blows. If it takes only a few blows to drive the rod further into the ground, you're in topsoil. If you've hit the rod X times with the weight and it's not moving, you're at the top of rock. Usually they'll do 3-6 tests around the house. If you find out that on the west side of your property, the top of rock is 15 feet down, but on the east side, you find the top of rock is 85 feet down, you're probably sitting on a sinkhole. At that point your insurance will pay out for remediation on the foundation if the house isn't a total loss.

I suppose one could test this way before you bought the property, but these sorts of surveys are pretty expensive. They're a big industry in Florida, and Starscream1690 could probably tell it better, since he works in the industry.
 
2013-03-01 03:16:16 PM
I amused myself by looking through the pictures are doing a mental find and replace...   Sinkhole shiathole.

It was fun.
 
2013-03-01 03:21:57 PM
There was a note taped to the edge of the sinkhole:

Dear people:
Please leave. I'm sick of you. You're crazy and you're destroying my alligators and key dear. I miss my panthers.
Signed,
Florida
 
2013-03-01 03:25:57 PM

Another Government Employee: StrikitRich: Winter Park scoffs at your puny sinkhole.  Get back when it's eaten half a dozen Porsches and a Winnebago.

I remember that.  I was living on Corrine back then.

Didn't they turn it into a park?


Used to go by there on my way to Enterprise 1701.
 
2013-03-01 03:27:30 PM
Elegy:

Generally, when you file a claim, the insurnace company will come out and do a blow count test, which is generally more reliable than GPR, which can only detect features at a limited depth. Essentially, they take a steel rod and drive it into the ground using a standard weight dropped from a standard height and calculate how far the rod moves with each set of blows. ...

Sounds like this ain't your first rodeo.  Yep, GPR, and its counterpart electrical resistivity imaging (ERI, which the engineers shown in the video that USA Today has up right now are doing incorrectly (I'd point this out in their comments but it links through FB)) give you a good idea what's going on but they are far from infallible in an urban environment with tons of anthropogenic interference.  The standard penetration test borings are what really confirm or deny a claim.

Of course in this case it's gone a good bit past confirming sinkhole activity, now they are just trying to get a grasp on how big the hole will end up being, and how much concrete will have to be used to shore it up.
 
2013-03-01 03:33:51 PM
The mighty Sarlacc demands a human sacrifice!
 
2013-03-01 03:46:24 PM
Fark Rebel Soldier
Andromeda Strain, 1971.
/come at me bro
 
2013-03-01 03:56:18 PM
Way crappier headline
Is way crappier!!!
 
2013-03-01 04:00:57 PM

Stephen_Falken: Fark Rebel Soldier
Andromeda Strain, 1971.
/come at me bro



Project: Wildfire, FTW.

Don't forget to cover your eyebrows during decontamination.
 
2013-03-01 04:15:54 PM

Stephen_Falken: Andromeda Strain, 1971.
/come at me bro


give me doughnuts: Project: Wildfire, FTW.

Don't forget to cover your eyebrows during decontamination.


Nice.
 
2013-03-01 04:24:28 PM
starscream1690:
 polje,  swallet,  karst

I just got done reading John McPhee's Annals of the Former World. Geologists have a language that sounds like Martian to the average uneducated guy like me. I loved the book.
Now sinkhole is a word that sounds like what it is - the hole you cut in a kitchen countertop.
 
2013-03-01 04:40:23 PM
OK, who's the smartass that put the pentagram under the bed?

dude went straight to hell ---- well he was already in Florida so not much of a difference.
 
2013-03-01 04:59:23 PM
Sleep tight, kiddos!
 
2013-03-01 05:00:11 PM
Wow, the local news says the guy was supposed to move out of the house tomorrow.

That is some really bad luck there, guy.
 
2013-03-01 05:53:56 PM

Elegy: PunGent: Dang.

So what do you do if you want to buy a house down there? Hire GP radar? too expensive?

Pray?


J.Shelby:  When I bought my house, I completely ignored the sinkhole issue, mostly because its not an issue.  In spite of crazy stories like this, its incredibly rare.  You're much more likely to be struck by lightning than have a sinkhole under your house.  Also, sinkhole insurance covers damage, and personal injury is almost unheard of.

Sinkhole problems are pretty common, and are becoming moreso with Florida's ever expanding population and the drain on the water table (plant city strawberry farmers anyone). Dramatic overnight loss of life and/or property are much less common and generally only happen about once a year. Most sinkhole damage happens as damage to the foundation that needs immediate remediation to ensure the house remains livable; this is so common that there is an ongoing battle over insurance fraud and insurance rates in Florida over it. A couple of years ago Hillsborough county insurance companies wanted to raise their premiums something like 500% in one year on ALL customers just to cover sinkhole claims and related frauds; I think state regulators ended up giving them something like a 30% hike.

As for detecting a sinkhole before you buy a house, there's really no good way to know for sure. Pretty much you inspect the house and make sure there are no cracks in the walls/windows and doors fit right, either which would indicate the ground under the hosue is moving. And then you pay a high premium for sinkhole insurance and hope you never have to file a claim. So yeah, prey.

Generally, when you file a claim, the insurnace company will come out and do a blow count test, which is generally more reliable than GPR, which can only detect features at a limited depth. Essentially, they take a steel rod and drive it into the ground using a standard weight dropped from a standard height and calculate how far the rod moves with each set of blows. ...


I've monitored Standard Penetration Testing, and that's basically the gist. Currently, I monitor the grouting side of things, i.e. I make sure the contractors put the grout injection pipes in the prescribed locations, and then keep track of how many cubic yards of grout goes into each one.
 
2013-03-01 05:57:20 PM

starscream1690: Elegy:

Generally, when you file a claim, the insurnace company will come out and do a blow count test, which is generally more reliable than GPR, which can only detect features at a limited depth. Essentially, they take a steel rod and drive it into the ground using a standard weight dropped from a standard height and calculate how far the rod moves with each set of blows. ...

Sounds like this ain't your first rodeo.  Yep, GPR, and its counterpart electrical resistivity imaging (ERI, which the engineers shown in the video that USA Today has up right now are doing incorrectly (I'd point this out in their comments but it links through FB)) give you a good idea what's going on but they are far from infallible in an urban environment with tons of anthropogenic interference.  The standard penetration test borings are what really confirm or deny a claim.

Of course in this case it's gone a good bit past confirming sinkhole activity, now they are just trying to get a grasp on how big the hole will end up being, and how much concrete will have to be used to shore it up.


What company do you work for? I'm with a small local firm out of Lake Wales- MCD of Central Florida.
 
2013-03-01 06:18:32 PM

FLMountainMan: mikaloyd: Elegy: Confabulat: Seffner is not South Florida. It's Hillsborough County, up here by Tampa.

Technically correct, but as I live in the panhandle, anything south of Gainesville is South Florida to me.

/derp
//I feel stupid now

Huh. Florida has a pecking order. Who knew?

A rather complex one.
Miami+Ft. Lauderdale = capital of the Third World.
Rest of South Florida = old rich yankees.
Orlando and Atlantic Coast = poor yankee trash.
Naples+Sarasota = rich old midwesterners.
Tampa/St. Pete = poor yankee trash with a few Cubans and SE Asians sprinkled in.
Land around the Big O (Lake Okeechobee) = the old west, with tons of Cowboys, Indians, and wide open spaces.
Central Florida, excepting Orlando = hillbillies+Ohio meth addicts.
Panhandle = the South.


Brevard County= The Florida of Florida
 
2013-03-01 06:20:33 PM
b.vimeocdn.com
 
2013-03-01 06:45:54 PM
Man: "ZZzzzzzzz"
Earth: "OM NOM NOM NOM!!!"

What a seriously farked up way to go, though. All the reports are saying the hole is only estimated at, like, 20-ish feet deep, but since there have been no noises from the guy since right after this happened I'm guessing the hole has filled in with, like,  house, or the surrounding sand? I'm a space-science person, not a dirt-science one, so I'm not really sure how these things work... in my head I imagine every sinkhole that opens up having a visible molten river of golden lava flowing beneath it, although I've never seen pics to support that. So if he isn't swept away and melted by the molten lava river, he's crushed to death / asphyxiated by the shiat that collapsed with him?
 
2013-03-01 07:08:30 PM

Wollffeey: Elegy: PunGent: Dang.

So what do you do if you want to buy a house down there? Hire GP radar? too expensive?

Pray?


J.Shelby:  When I bought my house, I completely ignored the sinkhole issue, mostly because its not an issue.  In spite of crazy stories like this, its incredibly rare.  You're much more likely to be struck by lightning than have a sinkhole under your house.  Also, sinkhole insurance covers damage, and personal injury is almost unheard of.

Sinkhole problems are pretty common, and are becoming moreso with Florida's ever expanding population and the drain on the water table (plant city strawberry farmers anyone). Dramatic overnight loss of life and/or property are much less common and generally only happen about once a year. Most sinkhole damage happens as damage to the foundation that needs immediate remediation to ensure the house remains livable; this is so common that there is an ongoing battle over insurance fraud and insurance rates in Florida over it. A couple of years ago Hillsborough county insurance companies wanted to raise their premiums something like 500% in one year on ALL customers just to cover sinkhole claims and related frauds; I think state regulators ended up giving them something like a 30% hike.

As for detecting a sinkhole before you buy a house, there's really no good way to know for sure. Pretty much you inspect the house and make sure there are no cracks in the walls/windows and doors fit right, either which would indicate the ground under the hosue is moving. And then you pay a high premium for sinkhole insurance and hope you never have to file a claim. So yeah, prey.

Generally, when you file a claim, the insurnace company will come out and do a blow count test, which is generally more reliable than GPR, which can only detect features at a limited depth. Essentially, they take a steel rod and drive it into the ground using a standard weight dropped from a standard height and calculate how far the rod moves with each set of blows. ...

I've monitored Standard Penetration Testing, and that's basically the gist. Currently, I monitor the grouting side of things, i.e. I make sure the contractors put the grout injection pipes in the prescribed locations, and then keep track of how many cubic yards of grout goes into each one.


Wow, I had to do a quick check to see if you were one of ours :)
 
2013-03-01 07:12:14 PM

Wollffeey: starscream1690: Elegy:

Generally, when you file a claim, the insurnace company will come out and do a blow count test, which is generally more reliable than GPR, which can only detect features at a limited depth. Essentially, they take a steel rod and drive it into the ground using a standard weight dropped from a standard height and calculate how far the rod moves with each set of blows. ...

Sounds like this ain't your first rodeo.  Yep, GPR, and its counterpart electrical resistivity imaging (ERI, which the engineers shown in the video that USA Today has up right now are doing incorrectly (I'd point this out in their comments but it links through FB)) give you a good idea what's going on but they are far from infallible in an urban environment with tons of anthropogenic interference.  The standard penetration test borings are what really confirm or deny a claim.

Of course in this case it's gone a good bit past confirming sinkhole activity, now they are just trying to get a grasp on how big the hole will end up being, and how much concrete will have to be used to shore it up.

What company do you work for? I'm with a small local firm out of Lake Wales- MCD of Central Florida.


Sorry missed this post, I'm with Geohazards. We got on All Things Considered today over this.

Also sorry my iPhone app won't let me clip the quote :(
 
2013-03-01 07:40:25 PM

J.Shelby: Yes, here in Tampa, we have terrible horrors.  Gators, giant snakes, sinkholes, gators, sharks, hurricanes, gators, deadly spiders, all kinds of deadly vipers, gators, and maybe more gators.  Don't come here.


I think I'll stay in Clearwater, where it's safe
 
2013-03-01 07:51:32 PM
assets.diylol.com
 
2013-03-01 08:19:56 PM

Elegy: Glancing Blow: Gabrielmot: Confabulat: /not a grammar nazi

My guess is the hole is still inside the house. There's no photos of the hole a

Jesus people... RTFA.

The sinkhole is naturally occurring and appears to be about 100 feet (30 meters) across, based on estimates made by engineers using radar, and it may be as deep as 50 feet, authorities say. It's not visible except inside the home.

Thank you sir, now could you help me with the math?  Don't you think the house has a rather large footprint if a 7,850 square foot hole can be hidden inside with room to spare? Diameter alleged to be 100', so 50*50*3.14=7850.

Ok, I got this one guys.

Catastrophic sinkholes like this are called "cover collapse" sinkholes. They happen because the sediments on top of the limestone have enough clay in them to stick together without the support of rock underneath. These features tend to collapse all at once (catostrophicly, even) because the topsoil holds over a void, sometimes for years, before collapsing all at once. Contrast to areas that have more sand in topsoil, where you get subsidence sinkholes that look like shallow, sandy depressions.

So what you have here is a large void, covered by a dome of clay. That clay collapse at the point where the guy's room was, sucking him into the void underneath the topsoil.

The emergency crews would have run ground penetrating radar around the house. Hence, they can tell that the void itself is quite large, large enough to swallow the house. However, the remaining topsoil is still holding together, and the only breach is inside the house. For how long, no one knows - hence the large safety zone around the house and why they won't let rescue crews near it.

So yes, the sinkhole is probably larger than the house. It's just that currently, the only area of topsoil that has given way is the small area under the bedroom.

Does that make sense?


Thank you sir. I came back to check on this thread, and because of you, I didn't shoot myself in the head.

I was almost about to grow a neckbeard and start a reddit account.

/my hero
 
2013-03-01 09:01:55 PM

GoSurfing: FLMountainMan: mikaloyd: Elegy: Confabulat: Seffner is not South Florida. It's Hillsborough County, up here by Tampa.

Technically correct, but as I live in the panhandle, anything south of Gainesville is South Florida to me.

/derp
//I feel stupid now

Huh. Florida has a pecking order. Who knew?

A rather complex one.
Miami+Ft. Lauderdale = capital of the Third World.
Rest of South Florida = old rich yankees.
Orlando and Atlantic Coast = poor yankee trash.
Naples+Sarasota = rich old midwesterners.
Tampa/St. Pete = poor yankee trash with a few Cubans and SE Asians sprinkled in.
Land around the Big O (Lake Okeechobee) = the old west, with tons of Cowboys, Indians, and wide open spaces.
Central Florida, excepting Orlando = hillbillies+Ohio meth addicts.
Panhandle = the South.

Brevard County= The Florida of Florida


Conch Republic = Feces
 
2013-03-01 11:21:44 PM
images1.wikia.nocookie.netWanted for questioning
 
2013-03-02 03:23:56 AM

valar_morghulis: There's a sinkhole in Gainesville that's basically become an entire ecosystem. Paine's Prairie.


Used to be a lake. Sink opened and lake disappeared overnight.
 
2013-03-02 07:28:40 AM

starscream1690: Wollffeey: starscream1690: Elegy:

Generally, when you file a claim, the insurnace company will come out and do a blow count test, which is generally more reliable than GPR, which can only detect features at a limited depth. Essentially, they take a steel rod and drive it into the ground using a standard weight dropped from a standard height and calculate how far the rod moves with each set of blows. ...

Sounds like this ain't your first rodeo.  Yep, GPR, and its counterpart electrical resistivity imaging (ERI, which the engineers shown in the video that USA Today has up right now are doing incorrectly (I'd point this out in their comments but it links through FB)) give you a good idea what's going on but they are far from infallible in an urban environment with tons of anthropogenic interference.  The standard penetration test borings are what really confirm or deny a claim.

Of course in this case it's gone a good bit past confirming sinkhole activity, now they are just trying to get a grasp on how big the hole will end up being, and how much concrete will have to be used to shore it up.

What company do you work for? I'm with a small local firm out of Lake Wales- MCD of Central Florida.

Sorry missed this post, I'm with Geohazards. We got on All Things Considered today over this.

Also sorry my iPhone app won't let me clip the quote :(


Ha! I knew it, I just didn't want to make any assumptions. And.. congrats about getting on the news... I guess. Though, under the circumstances, I don't suppose this is a good thing.
 
2013-03-02 09:55:57 AM

Elegy: PunGent: Dang.

So what do you do if you want to buy a house down there? Hire GP radar? too expensive?

Pray?


J.Shelby:  When I bought my house, I completely ignored the sinkhole issue, mostly because its not an issue.  In spite of crazy stories like this, its incredibly rare.  You're much more likely to be struck by lightning than have a sinkhole under your house.  Also, sinkhole insurance covers damage, and personal injury is almost unheard of.

Sinkhole problems are pretty common, and are becoming moreso with Florida's ever expanding population and the drain on the water table (plant city strawberry farmers anyone). Dramatic overnight loss of life and/or property are much less common and generally only happen about once a year. Most sinkhole damage happens as damage to the foundation that needs immediate remediation to ensure the house remains livable; this is so common that there is an ongoing battle over insurance fraud and insurance rates in Florida over it. A couple of years ago Hillsborough county insurance companies wanted to raise their premiums something like 500% in one year on ALL customers just to cover sinkhole claims and related frauds; I think state regulators ended up giving them something like a 30% hike.

As for detecting a sinkhole before you buy a house, there's really no good way to know for sure. Pretty much you inspect the house and make sure there are no cracks in the walls/windows and doors fit right, either which would indicate the ground under the hosue is moving. And then you pay a high premium for sinkhole insurance and hope you never have to file a claim. So yeah, prey.

Generally, when you file a claim, the insurnace company will come out and do a blow count test, which is generally more reliable than GPR, which can only detect features at a limited depth. Essentially, they take a steel rod and drive it into the ground using a standard weight dropped from a standard height and calculate how far the rod moves with each set of blows. ...


Thanks for all the info, guys.
 
2013-03-02 09:59:16 AM

BrieBelle00: Man: "ZZzzzzzzz"
Earth: "OM NOM NOM NOM!!!"

What a seriously farked up way to go, though. All the reports are saying the hole is only estimated at, like, 20-ish feet deep, but since there have been no noises from the guy since right after this happened I'm guessing the hole has filled in with, like,  house, or the surrounding sand? I'm a space-science person, not a dirt-science one, so I'm not really sure how these things work... in my head I imagine every sinkhole that opens up having a visible molten river of golden lava flowing beneath it, although I've never seen pics to support that. So if he isn't swept away and melted by the molten lava river, he's crushed to death / asphyxiated by the shiat that collapsed with him?


Yep, I'd bet crushed/asphyxiated, and probably not quick enough.
There've been utility workers killed in trenches a lot shallower than 20'; that's why they use those reinforced steel plate cages when they dig.

If you're pinned, probably only takes a couple hundred pounds of dirt/debris to slowly shut down your breathing...quicker if you broke a rib or two.  Nasty way to go.

Plus, of course, the C.H.U.D.S.
 
2013-03-02 02:37:09 PM
It swallowed him whole?  This is MADNESS!

bbsimg.ngfiles.com
 
2013-03-02 02:46:35 PM
YIKES
 
2013-03-03 02:22:34 AM
I live quite close to the sinkhole site, so I'm getting a k...

Actually, I find it all quite unsettling.
 
2013-03-04 09:48:26 AM
For people like me that obsessively keep up with threads, I pulled the LiDAR for the area around this guys house in Friday and just got a chance to post it.

As expected, the whole area has been terraformed, but there are some fairly big karst features less than two miles away (red arrows) from the guys house (green dot)

Link
 
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