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 10:35:34 AM (PDT) on Wednesday, October 8, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) E (81 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Wednesday, October 8, 2025 at 10:35:34 AM (PDT) Wednesday, October 8, 2025 at 17:35:34 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) E (81 degrees) Cobb, CA - 5 km (3 miles) S (180 degrees) Middletown, CA - 10 km (6 miles) WNW (289 degrees) Hidden Valley Lake, CA - 15 km (9 miles) WSW (258 degrees) Lower Lake, CA - 17 km (11 miles) SW (214 degrees) |
| Coordinates | 38 deg. 46.9 min. N (38.782N), 122 deg. 43.4 min. W (122.723W) |
| Depth | 1.56 km (1.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=1.2 km, Rmss=0.04 sec, Erho=0.27 km, Erzz=0.5 km, Gp=82 degrees |
| Event ID# | nc75246636 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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