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| Earth on Mar 11, 2013

4.6-magnitude earthquake shakes southern California

A magnitude 4.6 earthquake shook a wide swath of southern California on March 11.

A magnitude 4.6 earthquake shook a wide swath of southern California today (March 11, 2013). According to the U.S. Geological Survey (USGS), the earthquake’s epicenter was 12 miles (20 km) east-southeast of Anza, California and 17 miles (27 km) south of Rancho Mirage, California. It originated 0.1 miles (0.1 km) deep and struck at 9:56 a.m. local time.

Residents reported feeling light shaking across the region, from San Diego to Los Angeles, according to the USGS. Read some comments about what it felt like to be in the earthquake, below.

So far, there have been no reports of damage or injuries.

Map showing epicenter and severity of earthquake near Anza, CA on March 11, 2013.

Map showing epicenter and severity of earthquake near Anza, CA on March 11, 2013.

Some reports by EarthSky Facebook friends:

Lara Johnson

Really felt it quite strongly here in Anaheim California on the second floor.

Gloria Winter

… My nerves are fried!!! I’m in Palm Desert, just on the other side and down the mountain from Anza.

Pamela Evans-Schink (North San Diego County)

It was so strong I almost grabbed my kids and got out. We get many, but that one actually scared me a little.

Bottom line: A magnitude 4.6 earthquake shook a wide swath of southern California on March 11, 2013.