A preliminary 2.8 magnitude earthquake struck near Cupertino Friday morning, according to the United States Geological Survey.
The quake hit at 11:03 a.m. and was centered 2.3 miles west-southwest of Cupertino, 4.2 miles northwest of Saratoga and 4.4 miles south-southwest of Sunnyvale, the USGS said.
No other information was immediately available.
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