Surges of gas-charged fluid may have explosively generated the earthquakes preceding a giant sinkhole in Louisiana, researchers say.
These findings could lead to a better understanding of how pressurized fluids can trigger earthquakes and tremors, scientists added. . . .
the jig is up
” . . . . Frequent tremors were reported in the two months before the sinkhole opened. Researchers had suspected the collapse of a plugged-up, abandoned salt cavern underneath the Napoleonville salt dome may have caused these small earthquakes and the sinkhole.
“Mine collapses in Utah have made earthquakes before,” said lead study author Avinash Nayak, a seismologist at the University of California, Berkeley. . . “
At 8:02 a.m. there was a big ding seen on many helicorders. Doubt it is from work trucks. LA21 shows it.