Map showing earthquake swarm
U.S. Geological Survey map shows the location of the earthquake swarm.

A swarm of earthquakes led by a 5.3-magnitude temblor shook the south end of the Salton Sea near Calipatria in the Imperial Valley late Saturday morning.

There were no immediate reports of major damage or injuries. A clerk at a truck stop in Calpatria said everything is up and running, although some products in the store fell off shelves.

The U.S. Geological Survey reported a swarm of more than three dozen quakes, all over a magnitude of 2, beginning at 10:46 a.m. and continuing past noon.

The biggest of the quakes occurred at 10:56 a.m. and was felt throughout the San Diego area.

Two other earthquakes in the swarm measured over magnitude 4.

NBC 7 said the station received calls reporting the shaking in Santee, Chula Vista and Tijuana.

City News Service contributed to this article.

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Chris Jennewein

Chris Jennewein is Editor & Publisher of Times of San Diego.