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 9:57:13 AM (PST) on Monday, December 8, 2025.
The magnitude 0.8 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Monday, December 8, 2025 at 9:57:13 AM (PST) Monday, December 8, 2025 at 17:57:13 (UTC) |
| Distance from |
The Geysers, CA - 7 km (4 miles) NW (315 degrees) Cobb, CA - 8 km (5 miles) W (269 degrees) Cloverdale, CA - 18 km (11 miles) E (85 degrees) Kelseyville, CA - 18 km (11 miles) S (172 degrees) Middletown, CA - 19 km (12 miles) WNW (294 degrees) |
| Coordinates | 38 deg. 49.2 min. N (38.820N), 122 deg. 48.7 min. W (122.812W) |
| Depth | 2.94 km (1.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=0.4 km, Rmss=0.02 sec, Erho=0.31 km, Erzz=0.75999999 km, Gp=41 degrees |
| Event ID# | nc75276721 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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