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 5:57:41 AM (PDT) on Thursday, October 9, 2025.
The magnitude 1.6 event occurred 3 km (2 miles) SSE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Thursday, October 9, 2025 at 5:57:41 AM (PDT) Thursday, October 9, 2025 at 12:57:41 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) SSE (157 degrees) Cobb, CA - 8 km (5 miles) SSW (193 degrees) Middletown, CA - 11 km (7 miles) W (271 degrees) Hidden Valley Lake, CA - 17 km (11 miles) WSW (249 degrees) Healdsburg, CA - 19 km (12 miles) NE (34 degrees) |
| Coordinates | 38 deg. 45.2 min. N (38.754N), 122 deg. 44.6 min. W (122.743W) |
| Depth | 1.22 km (0.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=0.1 km, Rmss=0.04 sec, Erho=0.24 km, Erzz=0.389999986 km, Gp=101 degrees |
| Event ID# | nc75246946 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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