Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 7:34:07 AM (PDT) on Friday, August 28, 2026.
The magnitude 1.9 event occurred 7 km (5 miles) NNE (21 degrees) of Benicia, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.9 - duration magnitude (Md)
Time Friday, August 28, 2026 at 7:34:07 AM (PDT)
Friday, August 28, 2026 at 14:34:07 (UTC)
Distance from Benicia, CA - 7 km (5 miles) NNE (21 degrees)
Vallejo, CA - 9 km (6 miles) E (92 degrees)
Martinez, CA - 10 km (6 miles) N (3 degrees)
Crockett, CA - 10 km (6 miles) NE (49 degrees)
Vine Hill, CA - 12 km (7 miles) NNW (346 degrees)
Coordinates 38 deg. 6.6 min. N (38.111N), 122 deg. 7.7 min. W (122.129W)
Depth 7.89 km (4.90 miles)
Quality Poor
Location Quality Parameters Nst=7, Nph=6, Dmin=25.9 km, Rmss=0.05 sec, Erho=5.09 km, Erzz=6.3499999 km, Gp=175 degrees
Event ID# nc75426317
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For more information, see https://earthquake.usgs.gov

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