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 4:09:39 AM (PST) on Monday, December 8, 2025.
The magnitude 0.8 event occurred 5 km (3 miles) NW of The Geysers, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Monday, December 8, 2025 at 4:09:39 AM (PST) Monday, December 8, 2025 at 12:09:39 (UTC) |
| Distance from |
The Geysers, CA - 5 km (3 miles) NW (308 degrees) Cobb, CA - 7 km (5 miles) WSW (257 degrees) Cloverdale, CA - 18 km (11 miles) E (89 degrees) Middletown, CA - 18 km (11 miles) WNW (290 degrees) Kelseyville, CA - 19 km (12 miles) S (171 degrees) |
| Coordinates | 38 deg. 48.4 min. N (38.807N), 122 deg. 48.3 min. W (122.806W) |
| Depth | 12.64 km (7.90 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=0.9 km, Rmss=0.06 sec, Erho=1.86 km, Erzz=8.67000008 km, Gp=95 degrees |
| Event ID# | nc75276456 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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