Twin magnitude-4.3 earthquakes strike off Southern California coast

Two magnitude 4.3 earthquakes struck Wednesday morning, centered just off San Clemente Island and 38 miles from Avalon on Santa Catalina Island, according to the U.S. Geological Survey.

According to the USGS, the epicenter was 64 miles from Rancho Palos Verdes, 64 miles from San Pedro and 65 miles…