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 2:10:29 PM (PDT) on Monday, October 27, 2025.
The magnitude 1.8 event occurred 2 km (1 miles) NE (49 degrees) of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.8 - duration magnitude (Md) |
| Time | Monday, October 27, 2025 at 2:10:29 PM (PDT) Monday, October 27, 2025 at 21:10:29 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) NE (49 degrees) Cobb, CA - 4 km (2 miles) SSW (198 degrees) Middletown, CA - 11 km (7 miles) WNW (292 degrees) Hidden Valley Lake, CA - 15 km (10 miles) W (263 degrees) Lower Lake, CA - 17 km (11 miles) SW (219 degrees) |
| Coordinates | 38 deg. 47.5 min. N (38.791N), 122 deg. 44.1 min. W (122.736W) |
| Depth | 1.15 km (0.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=30, Nph=29, Dmin=0.9 km, Rmss=0.04 sec, Erho=0.21 km, Erzz=0.349999994 km, Gp=49 degrees |
| Event ID# | nc75255431 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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