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2 More Magnitude-3 Temblors Add Jitters To Continuing San Ramon Earthquake Swarm

SAN RAMON (CBS SF) -- Two small earthquakes were reported within minutes of each other late Saturday night near San Ramon, according to the U.S. Geological Survey.

The first earthquake struck at 11:32 p.m. with a 3-magnitude and the second earthquake struck at 11:38 p.m. and had a 3.1 magnitude, according to the USGS.

Both quakes struck about a mile east of San Ramon, USGS officials said.

The earthquakes are among hundreds of small ones that have struck in and around the area since last month. The majority of them have been occurring along the Calaveras Fault, which intersects with the Hayward Fault, according to the USGS.

COMPLETE QUAKE COVERAGE: CBS Earthquake Resource Center

This article will be updated as information warrants, and follow KPIX 5 on Twitter at @CBSSF or KCBS Radio on Twitter at @KCBSNews for updates on breaking news anytime.

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