FREMONT (CBS SF) — There’s plenty of Twitter chatter on who did or didn’t feel the 4.0 magnitude earthquake that struck the East Bay Tuesday night.

The quake was centered about 1.5 miles NNE of Fremont and occurred at 2:41 a.m., according to the USGS.

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There were no reports of serious damage, but the KPIX newsroom received calls from Santa Clara, San Francisco, Pleasanton, and San Ramon from people reporting the earthquake.