Earthquakes

A preliminary 4.7-magnitude earthquake struck near Hollister, California Tuesday afternoon, about 48 miles from Santa Cruz, according to the U.S. Geological Survey. 

A preliminary 4.5-magnitude earthquake struck the Pleasant Hill area northeast of San Francisco Monday night.

A 3.6-magnitude earthquake struck the Ridgecrest area Tuesday morning. 

A 3.9 magnitude earthquake struck Tuesday in the Riverside County area.

A 3.3-magnitude earthquake struck one mile from Lakeland Village near Lake Elsinore at 9:05 p.m Sunday evening, according to the USGS.

COOS BAY, Ore. (AP) — A 6.3-magnitude earthquake struck Thursday off the Oregon coast but did not generate a tsunami or cause any damage or injuries, authorities said.

A preliminary 5.0-magnitude earthquake struck approximately 11 miles east of Little Lake, California at about 1:49 p.m. local time Thursday.

Mayor Eric Garcetti held a news conference Wednesday to announce changes to the ShakeAlert LA app. The biggest change is that users will now be alerted when weaker quakes strike in some cases up to 45-seconds or more beforehand.

Thousands of Los Angeles apartment owners who are required to strengthen their properties against earthquakes haven't begun the work, and a few hundred haven't even submitted the initial paperwork, a nonprofit news organization reported Tuesday.

An earthquake struck Monday morning near the San Bernardino/Riverside County line. 

An earthquake struck Friday in Riverside County.

Many residents of Los Angeles felt the two huge quakes centered near Ridgecrest on July 4th and 5th, but the ShakeAlertLA app remained silent.

Mayor Eric Garcetti called on residents to step up their disaster preparedness at a news conference on Friday.

At approximately 6:11 a.m. Pacific Time on Friday morning, a magnitude 4.9 earthquake shook the Los Angeles area, centered in Ridgecrest, California, according to the USGS. No reports of damage have been initially reported.

The 1906 San Francisco Quake is one of the most powerful on record in California. Since then, there have been dozens of strong quakes that have caused widespread damage and loss of life – from the Northridge Quake in Southern California to the Loma Prieta Quake in Northern California.

The powerful 7.1 earthquake that shook Southern California on Friday appears to have also caused a crack in the earth’s surface that was captured by satellite cameras from space.

Thirteen small earthquakes - each one more than 3 in magnitude -- rattled the Ridgecrest area overnight, according to the U.S. Geological Survey.

Shaken residents are cleaning up from two of the biggest earthquakes to rattle California in decades as scientists warn that both should serve as a wake-up call to be ready when the long-dreaded "Big One" strikes.