Quake Rattles San Diego County

By R. Stickney and Jeff Nguyen
|  Tuesday, Sep 14, 2010  |  Updated 6:51 AM PDT
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Dramatic Photos: Easter Quake Photos From Mexico

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Earthquake shakes North Texas again on Sunday night.

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An earthquake sent a jolt through San Diego County early Tuesday morning. The sensation was more of a short burst of shaking at 3:52 a.m.

The quake measured a 5.0 magnitude and was centered southwest of Mexicali according to the U.S. Geological Survey.

What's significant about this morning's quake is that it is considered an aftershock to the 7.3 quake that struck on Easter Day.

San Diego State University professor Pat Abbott said it's not unusual to have an aftershock this late after the first quake.

"It is indeed typical to have an aftershock this long after the big one. Usually aftershocks at this time are very very small because the main shock was small," Abbott said.

A preliminary report says this morning¹s aftershock was about 7 miles deep.

At 5:58 a.m., another quake measuring a preliminary 3.3 magnitude struck 35 miles SSE of Mexicali. Then at 6:40 a.m., a preliminary 3.0 quake occurred, centered just 5 miles from Big Bear Lake.

Did you feel it? Let us know what you think. Comment below, send us your thoughts via Twitter @nbcsandiego or add your comment to our Facebook page. 

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