The U.S. Geological Survey says two magnitude 4.0-plus earthquakes have struck the San Andreas fault on the California-Mexico border. The first one, a magnitude 4.2, struck at 12:30 p.m. PDT 7 miles southwest of Delta, B.C., Mexico at a depth of 16.1 miles. The second quake, measuring in at a magnitude of 4.5, struck the same area about three minutes later, but only at a depth of .44 miles.
Quakes just below the earth’s surface, in the 0 to 10 miles range, can cause even more damage at lower magnitudes. Several people reported feeling the quakes in Mexicali, Mexico and Calexico in California. There were no immediate reports of damage.
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