Paper: 50 micro-earthquakes a day at giant Louisiana sinkhole — Blamed on ‘breaking rock’ underground — Sidewall of cavern still collapsing

Published: April 16th, 2013 at 8:09 am ET
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Title: Sinkhole work stops as tremors increase
Source: The Advocate
Author: DAVID J. MITCHELL
Date: April 15, 2013

Another round of increased tremors has halted work at the sinkhole near the Bayou Corne community, Assumption Parish officials said Monday.

“We just get everybody out of the area and wait for what is going to occur, to occur,” [John Boudreaux, director of the parish Office of Homeland Security and Emergency Preparedness] said [...]

[The salt cavern's] sidewall is still collapsing, scientists have said. [...]

Boudreaux said scientists reported that in this instance, the number of micro-earthquakes has increased from about 10 tremors per day to 50 per day.

Sometimes known as sharp tremors, the micro-earthquakes have been attributed to breaking rock underground, scientists have said. [...]

See also: Code 3 Alert at giant Louisiana sinkhole -- "Increasing trend of subsurface activity in the area"

Published: April 16th, 2013 at 8:09 am ET
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6 comments

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6 comments to Paper: 50 micro-earthquakes a day at giant Louisiana sinkhole — Blamed on ‘breaking rock’ underground — Sidewall of cavern still collapsing

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