Why location of 3.9 earthquake epicenter between Hayward, Calaveras fault lines is significant
From Napa to Santa Cruz, people felt the jolt of a 3.9 earthquake Monday. The epicenter was near the Calaveras fault. We take ...
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Preliminary magnitude 3.7 earthquake hits Hayward fault after 2 smaller shakes
No injuries were reported. The previous earthquakes were just minutes apart from each other and measured magnitudes of 3.2 and 3.3 in the same area, along the Hayward fault.