The temblor was reported shortly before 12:30 p.m. The quake rattled residents from Riverside County's desert communities, ...

A small earthquake was reported near Borrego Springs Wednesday morning. The 3.2-magnitude earthquake struck at 9:30 a.m.

This article originally appeared on USA TODAY: Magnitude 5.2 earthquake hits outside San Diego, California, USGS says ...

An earthquake has struck California as experts warn that the long-feared “Big One” could be approaching. The US Geological ...

A small earthquake shook parts of San Diego County Wednesday, but there were no reports of damage or injuries.

A 3.2 magnitude earthquake was detected in eastern San Diego County on Wednesday morning, according to the United States ...

People in parts of San Diego County reported feeling an earthquake Thursday morning. USGS reported a preliminary 3.9 magnitude ... Such an earthquake would be tied for the 13th-strongest to ever hit ...

UC San Diego is preparing to use its outdoor shake table in Scripps Ranch to determine whether 10-story buildings made of ...

In short, the United States and the entire world are safer from earthquakes thanks to 20 years of testing life-sized buildings and other large structures at UC San Diego’s large, outdoor earthquake ...