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 10:47:41 AM (PST) on Thursday, December 11, 2025.
The magnitude 1.5 event occurred 3 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Thursday, December 11, 2025 at 10:47:41 AM (PST) Thursday, December 11, 2025 at 18:47:41 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) NW (308 degrees) Cobb, CA - 6 km (4 miles) WSW (238 degrees) Middletown, CA - 15 km (9 miles) WNW (287 degrees) Hidden Valley Lake, CA - 19 km (12 miles) W (265 degrees) Lower Lake, CA - 20 km (12 miles) SW (229 degrees) |
| Coordinates | 38 deg. 47.6 min. N (38.793N), 122 deg. 46.9 min. W (122.782W) |
| Depth | 3.84 km (2.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.9 km, Rmss=0.01 sec, Erho=0.47 km, Erzz=1.22000003 km, Gp=87 degrees |
| Event ID# | nc75278346 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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