4.3 Quake Rattles Los Angeles

But no reports of damage so far
By Newser Editors and Wire Services
Posted Sep 1, 2011 4:16 PM CDT

(Newser) – A magnitude-4.3 earthquake and aftershocks rattled the Los Angeles region today, but there were no immediate reports of damage. The quake hit around 1:47pm local time and was centered 24 miles northwest of downtown Los Angeles. It was followed by a half-dozen aftershocks up to magnitude-3. The jolt was felt widely across Los Angeles County, including the San Fernando and San Gabriel valleys, downtown, and to the coast.

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No damage or injuries were reported in the Santa Clarita area near the epicenter, police said. The quake was close to where the 1971 magnitude-6.6 San Fernando earthquake hit. Unlike the San Fernando quake, which occurred on a thrust fault, this one appears to be a strike-slip event in which rocks on either side of the fault slide past each other, said a US Geological Survey geophysicist. "It's not the kind of quake that will break windows or crack walls," he said. (Read more earthquake stories.)

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