California was rocked by a third earthquake in less than six hours, this one a moderately weak 2.7-magnitude seismic event. According to the United States Geological Survey (USGS), the quake struck at approximately 5:03 a.

A 3.6-magnitude earthquake shook the Southern California area — the third tremor to hit the area Monday, Feb. 10, the U.S. Geological Survey reported. The about 5-mile deep quake hit about 3 miles northeast from San Bernardino just before 10 p.m., according to the USGS.

Parts of Northern and Southern California have felt light shaking from earthquakes early this week. Here's how strong they were and which cities were closest to the epicenters.

The latest quake was the third to hit the area which sits near a number of fault lines running through California including the Arrowhead, Waterman Canyon, San Jacinto, Santa Ana, Cleghorn, and Tunnel

Earthquakes’ sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches. They can happen anywhere, but they’re most common in Alaska, California, Hawaii, Oregon, Puerto Rico and Washington, according to the Department of Homeland Security.

PETROLIA, Calif. – A magnitude 4.1 earthquake shook some Northern California communities early Tuesday morning. According to the U.S. Geological Survey (USGS), a magnitude 4.1 earthquake was reported about 13 miles west of Petrolia in the Pacific Ocean just after midnight Tuesday at a depth of about 12 miles.