BERKELEY, Calif. -- A magnitude 4.3 earthquake struck in Berkeley, California early Monday morning, according to the U.S. Geological Survey .

The quake struck at 2:56 a.m. and had a depth of about 4.8 miles. It was originally reported as a magnitude 4.6, but was then downgraded.

The temblor on the Hayward fault line was felt in much of the Bay Area.

The Shake Alert system was activated, and so far, there are no reports of injuries or damage, but it was felt by a lot of people throughout the Bay Area.

A map from USGS shows people felt the most shaking in the East Bay, but people reported feeling the shaking as far north as Santa Rosa and as far south as Salinas.

USGS Seismologist Sarah Minson told our sister station that this is what they consider a small earthquake, even though the

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