A 5.2 magnitude earthquake shook Southern California on Monday, according to the U.S. Geological Survey. Alex Stone has the latest. | ABC News Live

Video shows the moment the ABC News Los Angeles bureau received an alert from the California earthquake early warning system just prior to Monday's 5.2 magnitude quake centered in the San Diego area. No injuries or damage have been reported, according to California fire officials. https://abcnews.visitlink.me/xtn3Gf | ABC News

A massive 8.8 magnitude earthquake struck off Russia's Pacific coast on Tuesday, sparking tsunami warnings — and evacuations of coastal areas — in Hawaii and alerts all down the U.S. West Coast. After the initial tsunami waves had washed ashore in Hawaii and along the West Coast, officials with the Pacific Tsunami Warning Center reduced the alert level for the Hawaiian islands to a tsunami advisory. Local officials in Oahu said just before 11 p.m. local time that evacuees who'd moved to higher g