WATCH LIVE COVERAGE: New 7.1-magnitude Earthquake Hits Southern California One Day After Largest Quake in Decades

A day after a powerful quake rattled Southern California, residents across the region were shaken by a 7.1 temblor that rattled for up to 40 seconds, knocked out power and frayed already thin nerves.

The earthquake struck at 8:16 p.m. Friday as part of an earthquake swarm in the Searles Valley, according to the U.S. Geological Survey. The earthquake struck nearly 9 miles west-southwest of Searles Valley.

“Every earthquake makes another earthquake more likely,” said seismologist Lucy Jones. “Yesterday’s 6.4 is now a foreshock, and that 7.1 aftershock has become the main shock.”

The quake happened in the same location where a 6.4 quake happened Thursday, according to the U.S. Geological Survey.

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SOURCE: Jason Kandel and Beverly White
CBS Los Angeles