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Chino Hills quake generated by new fault

August 4, 2008 8:47:46 AM PDT
Scientists say a new fault generated last week's 5.4 magnitude Chino Hills earthquake.The new fault is called the Peralta Hills fault, and it intersects with the Whittier and Chino faults.

Click here for a slideshow of damage from last week's earthquake,

Tuesday's quake near Chino Hills caused minor to moderate damage and few injuries.

A USC science professor says the Peralta Hills fault could generate a 6.5 magnitude quake, but the two adjoining faults could trigger a 7.5, which would be more than a thousand times stronger than Tuesday's quake.


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