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 9:38:00 AM (PST) on Thursday, November 20, 2025.
The magnitude 1.6 event occurred 6 km (4 miles) W of Cobb, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Thursday, November 20, 2025 at 9:38:00 AM (PST) Thursday, November 20, 2025 at 17:38:00 (UTC) |
| Distance from |
Cobb, CA - 6 km (4 miles) W (278 degrees) The Geysers, CA - 7 km (4 miles) NNW (330 degrees) Kelseyville, CA - 17 km (11 miles) SSE (167 degrees) Middletown, CA - 18 km (11 miles) WNW (299 degrees) Lower Lake, CA - 18 km (11 miles) WSW (241 degrees) |
| Coordinates | 38 deg. 49.8 min. N (38.830N), 122 deg. 47.7 min. W (122.795W) |
| Depth | 1.19 km (0.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=28, Nph=28, Dmin=1.0 km, Rmss=0.03 sec, Erho=0.19 km, Erzz=0.289999992 km, Gp=51 degrees |
| Event ID# | nc75266691 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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