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 1:38:40 AM (PDT) on Thursday, October 30, 2025.
The magnitude 0.6 event occurred 2 km (1 miles) W of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 0.6 - duration magnitude (Md) |
| Time | Thursday, October 30, 2025 at 1:38:40 AM (PDT) Thursday, October 30, 2025 at 8:38:40 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) W (281 degrees) Cobb, CA - 7 km (4 miles) SW (229 degrees) Middletown, CA - 15 km (9 miles) WNW (282 degrees) Hidden Valley Lake, CA - 20 km (12 miles) W (261 degrees) Healdsburg, CA - 20 km (13 miles) NNE (22 degrees) |
| Coordinates | 38 deg. 46.9 min. N (38.781N), 122 deg. 47.0 min. W (122.783W) |
| Depth | 1.03 km (0.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.4 km, Rmss=0.01 sec, Erho=0.39 km, Erzz=0.769999981 km, Gp=155 degrees |
| Event ID# | nc75256556 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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