A flurry of small earthquakes struck Southern California’s Imperial County Sunday along the U.S.-Mexico border, the U.S. Geological Survey reports.
A magnitude 3.9 earthquake first hit the region shortly after 10 a.m., the Los Angeles Times reports, citing the USGS.
More than a dozen earthquakes ranging from magnitude 2.0 to 5.4 followed over the next three hours.
No injuries or damage have been reported, authorities told the Los Angeles Times.