Giant Sinkhole Appears In Russia, Possibly Swallowing Homes

 

sinkhole Russia 21 November 2014(SOURCE)  An immense hole opened up in the ground on Tuesday in a large Russian city near the Ural Mountains. The 100 to 130-foot wide sinkhole looks to have swallowed several homes.

sinkhole Russia 2  21 November 2014

Russian geologists are searching the site for clues as to what caused the accident. The sinkhole formed shortly after a nearby salt mine flooded. That, plus a 1994 earthquake that occurred in the same region, seem to have been caused by powerful underground currents of highly-pressurized gas commonly found around salt mines.

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