Swarm of temblors shake Mount Diablo, East Bay Published on February 20, 2018 at 04:16PM by By Sarah Ravani A swarm of small earthquakes that never surpassed a magnitude of 3.0 were reported early Tuesday near Mount Diablo, according to the United States Geological Survey. The temblors reached a magnitude of 3.0, 2.9, 2.8 and …
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