'Soft-story' buildings at risk in quake

An on-going seismic study concludes that without a costly seismic retrofit, 80 percent of San Francisco's weakest wood-frame buildings are expected to collapse or to suffer damage beyond repair in the large earthquake scientists say is likely to occur in the region within decades. READ MORE

This is not an issue unique to San Francisco or northern California. The risks associated with "soft-story" construction were evident following both the 1989 Loma Prieta and 1994 Northridge earthquakes. MORE

Magnitude 5.1 earthquake hits near Ludlow, in San Bernardino County

A moderate earthquake struck California's Mojave Desert on Friday night / December 5, 2008. Effects were felt from San Diego to Los Angeles.

USGS reports say the 5.1-magnitude temblor struck just outside Ludlow on Interstate 40 in San Bernardino County, about 120 miles east of Los Angeles. MORE