USGS Records 125 North Bay Earthquakes Following Napa Tremor With More To Come

North Bay residents who were shaken by Sunday morning’s South Napa Earthquake haven’t been given much of a chance to settle down, based on United States Geological Survey measurements of seismic activity in the area. In just over 24 hours following the 3:20 a.m Sunday earthquake the USGS recorded 124 minor quakes and counting in the area. The seismic activity is clustered around the epicenter and to the north near the Geysers, a region known for regular ground shaking. The largest of the tremors was 3.6 magnitude, just hours after the initial earthquake.

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