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California's big July quakes strain major fault

 

Last updated 10/25/2019 at 11:47am

A visitor takes a photo of a crack in the ground following recent earthquakes near Ridgecrest, July 7. Scientists say the earthquakes that hammered the Southern California desert near the town of Ridgecrest last summer involved ruptures on a web of interconnected faults and increased strain on a major nearby fault that has begun to slowly move. (AP Photo/Marcio Jose Sanchez, File)

John Antczak

Associated Press

The earthquakes that hammered the Southern California desert near the town of Ridgecrest last summer involved ruptures on a web of interconnected faults and increased strain on a major nearby fault that has begun to slowly move, according to a new study.

Ruptures in the Ridgecrest earthquake sequence ended a few miles from the Garlock Fault, which runs east-west for 185 miles (300 kilometers) from the San Andreas Fault to Death Valley.

The Garlock Fault has been relatively quiet for 500 years. It now has begun a process called fault creep and has slipped 0.8 i...



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