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 9:52:27 AM (PDT) on Monday, October 27, 2025.
The magnitude 1.0 event occurred 2 km (1 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Monday, October 27, 2025 at 9:52:27 AM (PDT) Monday, October 27, 2025 at 16:52:27 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) ESE (110 degrees) Cobb, CA - 6 km (4 miles) S (191 degrees) Middletown, CA - 11 km (7 miles) WNW (282 degrees) Hidden Valley Lake, CA - 16 km (10 miles) WSW (255 degrees) Lower Lake, CA - 19 km (12 miles) SW (215 degrees) |
| Coordinates | 38 deg. 46.3 min. N (38.771N), 122 deg. 44.1 min. W (122.735W) |
| Depth | 1.45 km (0.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=1.3 km, Rmss=0.01 sec, Erho=0.3 km, Erzz=0.540000021 km, Gp=67 degrees |
| Event ID# | nc75255391 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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