Another moderate earthquake has shaken a wide area of Southern California.
The U.S. Geological Survey says the 9:33 a.m. Wednesday quake had a preliminary magnitude of 4.5 and was centered near the Orange County city of Yorba Linda.
A magnitude 4.4 quake centered in the same area struck late Tuesday night. No damage was reported.
Yorba Linda is about 35 miles southeast of downtown Los Angeles.
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