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 2:21:28 PM (PST) on Sunday, December 21, 2025.
The magnitude 1.2 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Sunday, December 21, 2025 at 2:21:28 PM (PST) Sunday, December 21, 2025 at 22:21:28 (UTC) |
| Distance from |
The Geysers, CA - 7 km (4 miles) NW (306 degrees) Cobb, CA - 9 km (5 miles) W (264 degrees) Cloverdale, CA - 17 km (11 miles) E (87 degrees) Kelseyville, CA - 18 km (11 miles) S (175 degrees) Middletown, CA - 19 km (12 miles) WNW (291 degrees) |
| Coordinates | 38 deg. 48.9 min. N (38.814N), 122 deg. 49.3 min. W (122.822W) |
| Depth | 2.02 km (1.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=0.9 km, Rmss=0.01 sec, Erho=0.4 km, Erzz=1.24000001 km, Gp=97 degrees |
| Event ID# | nc75284366 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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