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 7:50:13 PM (PDT) on Friday, March 20, 2026.
The magnitude 1.9 event occurred 1 km (0 miles) SSE of Martinez, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.9 - duration magnitude (Md)
Time Friday, March 20, 2026 at 7:50:13 PM (PDT)
Saturday, March 21, 2026 at 2:50:13 (UTC)
Distance from Martinez, CA - 1 km (0 miles) SSE (151 degrees)
Vine Hill, CA - 3 km (2 miles) WNW (283 degrees)
Benicia, CA - 5 km (3 miles) SSE (148 degrees)
Pacheco, CA - 6 km (4 miles) NW (305 degrees)
Crockett, CA - 8 km (5 miles) ESE (120 degrees)
Coordinates 38 deg. 0.9 min. N (38.015N), 122 deg. 7.9 min. W (122.131W)
Depth 1.69 km (1.10 miles)
Quality Poor
Location Quality Parameters Nst=6, Nph=6, Dmin=51.9 km, Rmss=0.11 sec, Erho=8.96 km, Erzz=10.8199997 km, Gp=228 degrees
Event ID# nc75330832
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