December 14, 2012 - UNITED STATES - Two violent earthquakes hit the southern cost of California this Friday morning at approximately 2:30 a.m. The first to hit was a 6.3 magnitude quake 262km SSW of Avalon, California the second quake was a 6.1 magnitude reading with an epicenter 142km SW of Avalon, California. The second earthquake was later downgraded to a 4.7 by the USGS. According to the U.S. Geological Survey, the Mag: 6.3 – Depth: 10 km – off the west coast Of Baja California – and the 4.7 magnitude earthquake. 175 km from Rancho Palos Verdes, CA, United States.