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La. Sinkhole Methane, Quake Woes: Growth Spurt Expected
The giant 24-acre Louisiana sinkhole has experienced elevated seismic activity Tuesday, according to the University of Memphis monitors, activity typically preceding additional methane and other hydrocarbons released, growth of the monster and increased fear of an explosion. A pattern has been established since the "sinkhole" was first reported in early August 2012: quakes (seismic activity officials call "micro-quakes") followed by a "burp" and more land consumed by the bayou monster. The seismic activity recorded Tuesday at monitor La12 follows extra activity over the past several days at the disaster site in Assumption Parish, part of which is being sucked into the hole over the collpasing 1-mile by 3-mile Napoleonville Salt Dome. Parish workers discovered water and debris moving inside the containment berm area Friday. Bubbles on the water’s surface indicated more methane release as people felt tremors in the area.
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