Thursday, 8 May 2008

Video: Growing Sinkhole Daisetta Texas

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Regulators checking huge sinkhole near Daisetta (KXAN 36 Austin)
Yahoo News
DAISETTA, Texas (AP) - Regulators continued monitoring a massive sinkhole which has swallowed up equipment and vehicles since surfacing outside Daisetta in southeast Texas.


Sinkhole in Daisetta engulfs utility poles, pipeline racks, storage tanks w/VIDEO (Beaumont Enterprise)
Yahoo News
DAISETTA - Cracks began to form along a dirt road a few blocks north of Hull-Daisetta High School Wednesday morning, precursors to a sinkhole wide enough by early afternoon for the Fighting Bobcats' football stadium to fit in neatly.


Giant sinkhole swallows oil equipment in southeastern Texas (The Charlotte Observer)
Yahoo News
A large sinkhole swallowed up oil field equipment and some vehicles Wednesday in southeastern Texas and continued to grow. There were no reports of injuries or home damage. "Right now we're not concerned about any kind of explosion or any kind of hazard," said Tom Branch, coordinator of the Liberty County Office of Emergency Management. "We are monitoring some other things around the area to ...

2 comments:

Anonymous said...

Very interesting. I wonder if this does not have something to do w/ the earthquake that occurred a couple weeks ago.Hmmm...

Anonymous said...

What has happened is a collapse of the caprock overlying the Daisetta salt dome. Caprock is comprised of mostly very porous limestone that is easily fractured by the excessive pressures caused by the salt water disposal company that injects waste salt water from oilfields into the caprock. When such high pressures are used in their operation, the caprock freaks apart (fractures) and gives way and the overlying surface sediments fall into the hole, leaving a surface crater.
This disposal operation is regulated by the RRC of Texas. So, this was NOT a collapse of the actual salt dome at all - merely a collapse of the overlying limestone. This is similar to what is well known to happen in Florida in the "karst" areas.