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 4:26:36 PM (PST) on Monday, December 8, 2025.
The magnitude 0.4 event occurred 5 km (3 miles) WNW of The Geysers, CA.
The hypocentral depth is 5 km ( 3 miles).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Monday, December 8, 2025 at 4:26:36 PM (PST) Tuesday, December 9, 2025 at 0:26:36 (UTC) |
| Distance from |
The Geysers, CA - 5 km (3 miles) WNW (302 degrees) Cobb, CA - 8 km (5 miles) WSW (252 degrees) Middletown, CA - 17 km (11 miles) WNW (288 degrees) Cloverdale, CA - 18 km (11 miles) E (91 degrees) Kelseyville, CA - 20 km (12 miles) S (172 degrees) |
| Coordinates | 38 deg. 48.1 min. N (38.801N), 122 deg. 48.3 min. W (122.806W) |
| Depth | 5.20 km (3.20 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=1.2 km, Rmss=0.09 sec, Erho=1.27 km, Erzz=1.92999995 km, Gp=179 degrees |
| Event ID# | nc75276991 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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