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.
FOX 11 In Depth: The Ridgecrest Quakes: What did we learn?
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.
RIDGECREST, Calif. (AP) - The Latest on a strong earthquake in Southern California (all times local): 2:50 p.m. A seismologist says two large earthquakes that were centered in the Mojave Desert in California caused less damage and fewer injuries because they were centered away from densely populated areas.
A powerful 5.4 magnitude aftershock struck Friday morning in the Ridgecrest area, the day after a 6.4 magnitude earthquake hit the same region on the Fourth of July.
A magnitude-6.4 earthquake was felt throughout the Southland on Thursday, shaking up local residents celebrating the Fourth of July. The strong earthquake rattled a large part of Southern California and parts of Nevada making hanging lamps sway and photo frames on walls shake.
At approximately 5:07 p.m. Pacific Time on June 12, a magnitude 3.6 earthquake shook the Camarillo area, according to the USGS. No reports of damage have been initially reported.
Two 4.3-magnitude earthquakes were reported off the coast of Southern California on Wednesday morning.
A 4.3 magnitude earthquake was reported offshore Wednesday approximately 9 miles from San Clemente Island.
More than 400 small earthquakes have struck the Inland Empire since May 25, officials with the U.S. Geological Survey (USGS) said during a press conference on Monday.
Hundreds of small earthquakes struck a Riverside County neighborhood over the last week. Should we be concerned? Sandra Endo is live at Caltech in Pasadena with more on what seismologists are saying.