CALIPATRIA (CBSLA.com/AP) — A swarm of earthquakes have reportedly struck a sparsely populated area of the Southern California desert, but there have been no reports of any damages or injuries.

The first, a magnitude-4.0 quake, struck at 8:15 p.m. at the edge of the Salton Sea about 8 miles west of Calipatria and about 10 miles deep. A second, magnitude was 3.3, shook virtually the same spot about 30 minutes later.

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Others ranging in magnitude from 1.8 to 2.8 were reported to also have hit, according to the U.S. Geological Survey website.

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Imperial County sheriff’s and fire officials say there have been no reports of problems from the quakes.

Calipatria is a farming community in the Imperial Valley and is about 90 miles south of Palm Springs.

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