Earthquakes

The 4.1 earthquake struck Sunday, and aftershocks were felt the following day. Experts aren't sure what it means.

The 7.0-magnitude quake struck near Ferndale, located 250 miles north of San Francisco.

More than 57 million people worldwide have registered for the annual event, which started in Los Angeles in ...

Only 10 percent of Golden State residents carry earthquake insurance, with many citing high premiums and deductibles as ...

Hospitals must comply with 2030 deadlines to secure infrastructure and ensure operability in the event of a disaster.

Scientists are improving the system to give residents more time to react to strong quakes.

Southern California struck with 13 large tremors this year, with the latest rattling residents Monday.

LOS ANGELES—A 4.4 magnitude earthquake was strongly felt Monday afternoon from the Los Angeles area all the way ...

The quake was followed by a series of aftershocks in rapid succession.

LOS ANGELES—An earthquake with a magnitude of 4.9, followed by 3.5 and 2.7 aftershocks, struck near the desert ...

COSTA MESA, Calif.—A pair of small earthquakes rattled parts of Orange County June 6. The first temblor struck ...

The shaker was likely an aftershock of a quake that rattled the area on Sunday, according to the ...

A magnitude-3.5 earthquake Sunday briefly jostled the La Crescenta area and was felt in downtown Los Angeles as ...

An earthquake with a magnitude of 4.1 struck May 1 in the Corona area of Riverside County, providing ...

A 4.8 magnitude earthquake and several aftershocks shook El Centro, east of San Diego, early Feb. 12, the ...

The 4.6 jolt northwest of Malibu was felt across Southern California.

The earthquake was reported as being felt as far north as the Antelope Valley, as far east as ...

There is also a chance for the largest quakes in California and Alaska, according to Mark Petersen, USGS ...

LOS ANGELES—An earthquake with a preliminary magnitude of 4.5 was reported Jan. 15 morning south of Catalina Island ...

LOS ANGELES—A magnitude 4.2 earthquake was felt widely across the nation's second largest city Friday and shook things ...