A minor earthquake has shaken the San Francisco Bay area, the United States Geological Survey confirmed.

The USGS says an earthquake with a preliminary magnitude of 3.3 struck just before 5 a.m. on Monday. The epicenter of the quake was about 24 miles east-northeast of San Francisco City Hall. The closest city to the 4:55 a.m. quake was Alamo, California, about 2 miles away. The quake had a depth of about 3.5 miles.

There was no immediate word of damage or injuries.

According to the USGS, the East Bay area was hit with several small earthquakes Sunday.

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