An “earthquake storm” continued to rattle Imperial County late Sunday, with the region experiencing hundreds of mostly low-intensity temblors that could be felt in neighboring counties.
The seismic activity is not unusual for the area around Brawley, a city of about 25,000 where the quakes were centered and located between the San Andreas and Imperial faults, experts said. The spurt of smaller quakes does not necessarily herald that the Big One is on its way, they said.
After a series of milder quakes in the morning, a magnitude 3.8 temblor hit at 10:02 a.m. about three miles northwest of Brawley, and was followed by a nearly continuous series of quakes in the same general area, according to the U.S. Geological Survey. The two largest quakes, which struck at about 12:30 p.m. and 2 p.m., measured at magnitudes of 5.3 and 5.5, respectively.
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