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 9:29:56 AM (PDT) on Thursday, October 1, 2026.
The magnitude 2.0 event occurred 1 km (1 miles) NNW of East Richmond Heights, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 2.0 - duration magnitude (Md)
Time Thursday, October 1, 2026 at 9:29:56 AM (PDT)
Thursday, October 1, 2026 at 16:29:56 (UTC)
Distance from East Richmond Heights, CA - 1 km (1 miles) NNW (348 degrees)
Rollingwood, CA - 2 km (1 miles) SE (135 degrees)
San Pablo, CA - 3 km (2 miles) ESE (109 degrees)
Richmond, CA - 3 km (2 miles) NE (54 degrees)
El Sobrante, CA - 3 km (2 miles) SW (216 degrees)
Coordinates 37 deg. 57.2 min. N (37.954N), 122 deg. 19.0 min. W (122.316W)
Depth 8.83 km (5.50 miles)
Quality Excellent
Location Quality Parameters Nst=44, Nph=44, Dmin=6.6 km, Rmss=0.06 sec, Erho=0.14 km, Erzz=0.370000005 km, Gp=32 degrees
Event ID# nc75442411
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For more information, see https://earthquake.usgs.gov

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