This post has been updated. See below for details.

A magnitude 5.2 earthquake struck Monday morning in the Riverside County desert, the U.S. Geological Survey reported. It was the second earthquake in the Anza area Monday. [Updated at 10:59 a.m., March 11: The quake has been downgraded to 4.7 magnitude.]

The most recent temblor occurred at 9:55 a.m. and was felt at least as far away as downtown Los Angeles. Anza is about 30 miles east of Temecula.

There were no immediate reports of damage.

The U.S. Geological Survey noted several aftershocks.

[Updated at 10:32 a.m., March 11: The temblor was centered about 23 miles from Palm Springs and 64 miles from San Diego.

“It was a pretty good shake up here.” Capt. Daniel Heiser of the Riverside County Fire Department.

The Los Angeles Fire Department was assessing the situation but reported no immediate damage.]

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Image: Map shows area where quake struck. Credit: U.S. Geological Survey