Huge Crack Appears in the Earth

Underground stream may have caused fissure in Mexico
By Neal Colgrass,  Newser Staff
Posted Aug 21, 2014 7:15 PM CDT

Scientists are scratching their heads over a crack in the Earth that's more than half a mile long, Sky News reports. A drone captured video footage of the 16-foot-wide, 26-foot-deep crack, which appeared last week in remote farmland and cuts across Highway 26 between the coast and Hermosillo in northwest Mexico. Some officials speculated a San Andreas Fault earthquake may have caused it—there was an earthquake along the fault on Sunday, First News notes—but experts at the University of Sonora are eying an underground stream as the possible culprit, Australia's News Network reports.

Experts say a farmer-built levee started leaking, creating an underground stream that weakened the earth above it and caused it to crumble. A Mexican geologist says that rainwater could also be to blame, saturating the ground and causing "ditch flows," but that there is no cause for alarm, according to the International Business Times. The unstable ground is, however, forcing cars to drive around the area, and a second crack has reportedly opened up nearby. (Another geological marvel: water "missing for decades" is found 400 miles below the US.)

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