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 5:56:42 PM (PDT) on Monday, October 27, 2025.
The magnitude 0.8 event occurred 9 km (6 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Monday, October 27, 2025 at 5:56:42 PM (PDT) Tuesday, October 28, 2025 at 0:56:42 (UTC) |
| Distance from |
The Geysers, CA - 9 km (6 miles) NW (305 degrees) Cobb, CA - 10 km (6 miles) W (271 degrees) Cloverdale, CA - 15 km (9 miles) E (82 degrees) Kelseyville, CA - 17 km (11 miles) S (181 degrees) Soda Bay, CA - 20 km (13 miles) SSW (193 degrees) |
| Coordinates | 38 deg. 49.4 min. N (38.824N), 122 deg. 50.6 min. W (122.844W) |
| Depth | 1.75 km (1.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=0.8 km, Rmss=0.01 sec, Erho=0.73 km, Erzz=1.16999996 km, Gp=146 degrees |
| Event ID# | nc75255486 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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