Multiple earthquakes struck the Bay Area Friday evening within a 30-minute span, according to the U.S. Geological Survey. The first quake occurred at 7:49 p.m. with a preliminary magnitude of 3.8 and an epicenter nearly three miles southeast of San Ramon. Minutes later at 7:56 p.m. a 4.0-magnitude event was recorded about 3.1 miles from San Ramon. Subsequent tremors registered smaller magnitudes, with the latest noted at 8:10 p.m. registering 2.9 and an epicenter 2.7 miles from San Ramon. The sequence follows about 90 small earthquakes that affected San Ramon in November.
"The first earthquake, which struck at 7:49 p.m., had a preliminary magnitude of 3.8 and an epicenter nearly 3 miles southeast of San Ramon. Minutes later at 7:56 p.m. an earthquake with a preliminary magnitude of 4.0 struck 3.1 miles near San Ramon. The following earthquakes had smaller preliminary magnitudes, with the latest striking at 8:10 p.m. and a preliminary magnitude of 2.9."
"The first earthquake, which struck at 7:49 p.m., had a preliminary magnitude of 3.8 and an epicenter nearly 3 miles southeast of San Ramon. Minutes later at 7:56 p.m. an earthquake with a preliminary magnitude of 4.0 struck 3.1 miles near San Ramon. The following earthquakes had smaller preliminary magnitudes, with the latest striking at 8:10 p.m. and a preliminary magnitude of 2.9. The epicenter was 2.7 miles from San Ramon. The back-to-back earthquakes come after 90 small earthquakes hit San Ramon in November."
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