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Climate and Environment

4.1 Quake Jolts Palomar Mountain Sunday Morning

A topgraphic map of Southern California shows the epicenter of the quake inland from the coast.
The Sunday morning quake had an epicenter at Palomar Mountain. Blue outlines show the reports of intensity of shaking.
(Courtesy USGS)
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If you felt the ground move shortly before 10 a.m. Sunday, you weren't imagining things. An earthquake with a preliminary magnitude of 4.1 was recorded near Palomar Mountain. That's around the Elsinore fault line.

The epicenter was about 17 miles southeast of Temecula and there were no immediate reports of injuries or damage.

Seismologist Lucy Jones promptly tweeted the details, and said quakes happen in the same part of the fault about once a year. So, Jones says, "this isn't an everyday occurrence but it isn't unusual."

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The United States Geological Survey is asking anyone who felt the quake to report what it was like on their website.

As of midday Sunday more than 5,000 people had responded.

Map of Southern California has colored squares indicating the intensity of shaking reported with the epicenter marked by a red star.
(Courtesy USGS)

As always, any earthquake is a reminder to get ready for an inevitable much larger quake here in Southern California.

What questions do you have about Southern California?