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 11:36:52 PM (PST) on Friday, November 21, 2025.
The magnitude 1.3 event occurred 3 km (2 miles) ESE of Cobb, CA.
The hypocentral depth is -0.05 km (-0.00 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Friday, November 21, 2025 at 11:36:52 PM (PST) Saturday, November 22, 2025 at 7:36:52 (UTC) |
| Distance from |
Cobb, CA - 3 km (2 miles) ESE (121 degrees) The Geysers, CA - 7 km (4 miles) ENE (61 degrees) Middletown, CA - 9 km (5 miles) NW (313 degrees) Hidden Valley Lake, CA - 11 km (7 miles) W (269 degrees) Lower Lake, CA - 13 km (8 miles) SSW (211 degrees) |
| Coordinates | 38 deg. 48.4 min. N (38.806N), 122 deg. 41.4 min. W (122.690W) |
| Depth | -0.05 km (-0.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.66 km, Erzz=0.75 km, Gp=101 degrees |
| Event ID# | nc75267566 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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