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 1:24:31 AM (PST) on Monday, December 29, 2025.
The magnitude 1.2 event occurred 2 km (1 miles) NE (55 degrees) of The Geysers, CA.
The hypocentral depth is 0.47 km (0.30 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Monday, December 29, 2025 at 1:24:31 AM (PST) Monday, December 29, 2025 at 9:24:31 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) NE (55 degrees) Cobb, CA - 4 km (3 miles) SSW (200 degrees) Middletown, CA - 11 km (7 miles) WNW (289 degrees) Hidden Valley Lake, CA - 16 km (10 miles) W (261 degrees) Lower Lake, CA - 18 km (11 miles) SW (219 degrees) |
| Coordinates | 38 deg. 47.2 min. N (38.786N), 122 deg. 44.4 min. W (122.740W) |
| Depth | 0.47 km (0.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=0.5 km, Rmss=0.04 sec, Erho=0.32 km, Erzz=0.479999989 km, Gp=132 degrees |
| Event ID# | nc75288071 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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