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 5:54:35 PM (PST) on Friday, January 9, 2026.
The magnitude 2.3 event occurred 8 km (5 miles) SSW of Martinez, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 2.3 - duration magnitude (Md)
Time Friday, January 9, 2026 at 5:54:35 PM (PST)
Saturday, January 10, 2026 at 1:54:35 (UTC)
Distance from Martinez, CA - 8 km (5 miles) SSW (201 degrees)
Vine Hill, CA - 8 km (5 miles) SW (226 degrees)
Pacheco, CA - 8 km (5 miles) WSW (249 degrees)
Orinda, CA - 9 km (6 miles) N (8 degrees)
Lafayette, CA - 9 km (6 miles) NNW (332 degrees)
Coordinates 37 deg. 57.4 min. N (37.957N), 122 deg. 9.9 min. W (122.165W)
Depth 6.04 km (3.80 miles)
Quality Poor
Location Quality Parameters Nst=12, Nph=12, Dmin=39.1 km, Rmss=0.31 sec, Erho=10.3 km, Erzz=24.6800003 km, Gp=201 degrees
Event ID# nc75293296
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