A preliminary 2.9 magnitude earthquake struck Thursday morning in Union City, according to the United States Geological Survey.

A preliminary magnitude 2.9 earthquake struck the East Bay at 8:17 a.m. Thursday morning. The quake’s epicenter was less than 1 mile east of Union City and about 3 miles ...

An earthquake with a magnitude of 2.9 struck near Union City on Thursday morning, according to the US Geological Survey.