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A swarm of hundreds of earthquakes, including one measured at magnitude 4.9, hit near the Imperial Valley in Southern California on Wednesday afternoon. Over a period of two-and-a-half hours, a ...
A swarm of small earthquakes hit Southern California’s Imperial Valley on Wednesday afternoon, according to the United States Geological Survey (USGS). Dozens of small earthquakes ranging from 2 ...
A swarm of 152 earthquakes were felt Saturday morning in California's Imperial Valley, a rural area about two hours east of San Diego, according to CNN.