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 5:56:00 PM (PST) on Friday, December 26, 2025.
The magnitude 1.0 event occurred 3 km (2 miles) E (89 degrees) of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Friday, December 26, 2025 at 5:56:00 PM (PST) Saturday, December 27, 2025 at 1:56:00 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) E (89 degrees) Cobb, CA - 5 km (3 miles) S (181 degrees) Middletown, CA - 10 km (6 miles) WNW (287 degrees) Hidden Valley Lake, CA - 15 km (9 miles) WSW (257 degrees) Lower Lake, CA - 18 km (11 miles) SW (214 degrees) |
| Coordinates | 38 deg. 46.7 min. N (38.778N), 122 deg. 43.4 min. W (122.724W) |
| Depth | 2.52 km (1.60 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.8 km, Rmss=0.01 sec, Erho=1.22 km, Erzz=2.0999999 km, Gp=151 degrees |
| Event ID# | nc75286921 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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