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 10:41:07 PM (PDT) on Wednesday, October 15, 2025.
The magnitude 2.1 event occurred 4 km (2 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
Magnitude | 2.1 - duration magnitude (Md) |
Time | Wednesday, October 15, 2025 at 10:41:07 PM (PDT) Thursday, October 16, 2025 at 5:41:07 (UTC) |
Distance from |
Cobb, CA - 4 km (2 miles) W (259 degrees) The Geysers, CA - 4 km (3 miles) NNW (348 degrees) Middletown, CA - 15 km (9 miles) WNW (298 degrees) Lower Lake, CA - 17 km (11 miles) SW (232 degrees) Hidden Valley Lake, CA - 18 km (11 miles) W (273 degrees) |
Coordinates | 38 deg. 48.9 min. N (38.816N), 122 deg. 46.0 min. W (122.767W) |
Depth | 1.68 km (1.00 miles) |
Quality | Excellent |
Location Quality Parameters | Nst=40, Nph=40, Dmin=1.2 km, Rmss=0.08 sec, Erho=0.19 km, Erzz=0.319999993 km, Gp=44 degrees |
Event ID# | nc75249981 |
Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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