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 8:04:51 AM (PDT) on Monday, October 27, 2025.
The magnitude 1.4 event occurred 1 km (1 miles) NNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Monday, October 27, 2025 at 8:04:51 AM (PDT) Monday, October 27, 2025 at 15:04:51 (UTC) |
| Distance from |
The Geysers, CA - 1 km (1 miles) NNW (329 degrees) Cobb, CA - 5 km (3 miles) SW (224 degrees) Middletown, CA - 14 km (8 miles) WNW (287 degrees) Hidden Valley Lake, CA - 18 km (11 miles) W (263 degrees) Lower Lake, CA - 19 km (12 miles) SW (225 degrees) |
| Coordinates | 38 deg. 47.3 min. N (38.788N), 122 deg. 45.9 min. W (122.765W) |
| Depth | 2.21 km (1.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=23, Nph=22, Dmin=1.9 km, Rmss=0.03 sec, Erho=0.23 km, Erzz=0.400000006 km, Gp=76 degrees |
| Event ID# | nc75255336 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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