For the Valley 31 years later, the 1994 Northridge earthquake was a defining moment, testing the resilience of its residents and the strength of its community institutions.

The Northridge Earthquake in Southern California ... “Engineers can design for any target earthquake magnitude. Stronger structures, however, come at a cost more complicated than pure dollars ...

At exactly 4:30:55 a.m. on Jan. 17, 1994, Los Angeles was rocked by a magnitude 6.7 earthquake that caused catastrophic damage, particularly near the epicenter in the San Fernando Valley.

N​early 75% of the country is at risk for a potentially damaging earthquake, according to a recently updated USGS map.

In the massive, 6.7-magnitude shake ... “In the wake of the Northridge earthquake, Mayor Riordan set the standard for emergency action,” she said last year, acknowledging the quake’s ...