4.2 earthquake strikes near San Ramon amid swarm of over 30 tremors, USGS says

SAN RAMON, Calif. (KGO) — A 4.2 earthquake struck near San Ramon Monday morning, following a 3.8 quake amid a string of over 30 tremors in the area, U.S. Geological Survey said.

The 4.2 quake struck at 7:01 a.m. and followed a string of quakes that began with a 3.8 at 6:27 a.m. Dozens of earthquakes have followed.

USGS said the 4.2 tremor was about 9.4 km in depth.

There have been no reports of injuries.

Video from a San Ramon 7-Eleven on Kimball and Alcosta Boulevard shows products falling off shelves during one of the earthquakes.

ABC7 Eyewitness News spoke with the USGS Monday morning, and they say this is a continuation of the swarm of quakes the area has been experiencing.

On Friday, the area saw its first earthquake in several weeks, but there have been dozens of quakes since November.

BART also had to slow down trains to inspect the tracks which is normal during earthquake activity.

MAP: Significant San Francisco Bay Area fault lines and strong earthquakes
Zoom in on the map below and compare where you live to the significant faults and where strong earthquakes have struck in the Bay Area.

Stay with ABC7 News for the latest details on this developing story.

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