Earthquakes continue to strike in Ridgecrest area

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

Quakes push Californians to prepare for the next big jolt

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.

The Latest: Seismologist says be prepared for more quakes

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.

5.4 aftershock strikes Ridgecrest area day after 6.4 quake

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.

6.4 magnitude earthquake rattles Southland on 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.

Magnitude 3.6 earthquake shakes Camarillo area

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.

More than 400 earthquakes have struck the Inland Empire since May 25, USGS officials say

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 quakes struck Riverside County since May 25
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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.

Hundreds of small earthquakes strike Riverside County this weekend

A series of small earthquakes struck the Riverside County city of Glen Avon this weekend, according to the U.S. Geological Survey (USGS).

More than 30 earthquakes hit Southern California town on Friday

A swarm of small earthquakes struck the Riverside County city of Glen Avon on Friday, according to the U.S. Geological Survey (USGS).

What The Hal? Surviving the Earthquake (3-part series)

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. Seismologist Dr. Lucy Jones reminds us that quakes can be sudden and unpredictable, but preparing for them can remove some of the danger.

Powerful 7.5-magnitude quake hits southern Ecuador

A very powerful magnitude 7.5 earthquake struck southern Ecuador in the early hours of Friday close to the country's border with Peru, although no immediate reports of possible casualties or damage were available.

Series of earthquakes hit San Bernardino County

Multiple earthquakes shook an area of San Bernardino County early Thursday, according to the U.S. Geological Survey (USGS). 

Earthquake hits southern Mexico, sways buildings in capital

MEXICO CITY (AP) - A strong earthquake has struck in southern Mexico, causing tall buildings to sway hundreds of miles away in the capital. The U.S. Geological Survey says Friday's quake had a preliminary magnitude of 6.5 and was centered about 12 miles from Tapachula in the southern state of Chiapas. Some people have evacuated offices along a central boulevard in Mexico City.