A magnitude 7.8 earthquake scenario could play out like this The Great Southern California ShakeOut was officially announced today where millions of Southern Californians will “Drop, Cover, and Hold On” (register at www.ShakeOut.org) as thousands of emergency responders statewide take part in the largest-ever earthquake response drill called "Golden Guardian." The hypothetical magnitude 7.8 earthquake will rupture the San Andreas Fault at 10 a.m. on November 13. "An enormous earthquake is definitely in our......

The media has been reporting various small quakes over the last week. But is that really something to worry about? "It’s not uncommon for Orange County to experience several microquakes every week," Sciencedude Gary Robbins said at the OC Register in a brief about the three recent microquakes in Orange County. His statement goes for all of Southern California -- small quakes happen all the time. A daily viewing of the USGS' recent earthquake map......

Jan. 17, 1994: the covered body of Los Angeles motorcycle officer Clarence W. Dean lays near his motorcycle which plunged off Highway 14 overpass that collapsed onto Interstate 5 (AP Photo/Doug Pizac) Hollywood studios are not the ones behind the latest script detailing a massive future earthquake hitting Los Angeles. This time, it's scientists and other quake experts... over 300 of them. Specifically, the U.S. Geological Survey and California Geological Survey have collaborated to......

Yes, that was a 4.2 earthquake you felt or dreamt about at 1:53 a.m. A light earthquake occurred at 1:53:43 AM (PDT) on Tuesday, October 16, 2007. The magnitude 4.2 event occurred 5 km (3 miles) N of Wrightwood, CA. The hypocentral depth is 3 km ( 2 miles). The AP reports that "it was not immediately known if the quake had caused any damage or injuries." We don't mean to nag, but here......

We felt it slightly in the Valley and according to the USGS, a 4.7 Earthquake east of Santa Ana hit at 10:29 a.m.Lake Elsinore, CA - 13 km (8 miles) WNW (298 degrees) Lakeland Village, CA - 15 km (9 miles) NW (314 degrees) Portola Hills, CA - 16 km (10 miles) ENE (70 degrees) Corona, CA - 18 km (11 miles) SSE (148 degrees) Los Angeles Civic Center, CA - 80 km (50 miles)......

It's a full moon and the earth is shaking. Three small quakes within a hundred miles of Los Angeles in the past hour alone, according to the U.S. Geological Survey Web site. Perhaps unscientific -- though seemingly never "gamed" or exagerrated -- is the USGS "shake map" at right. Within 30 minutes of tonight's 3.2 magnitude shaker centered near Granada Hills, over 700 people went to the site to report shaking intensity. Hover over the......