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 4:09:24 PM (PDT) on Tuesday, October 28, 2025.
The magnitude 0.8 event occurred 2 km (1 miles) NNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Tuesday, October 28, 2025 at 4:09:24 PM (PDT) Tuesday, October 28, 2025 at 23:09:24 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) NNW (329 degrees) Cobb, CA - 5 km (3 miles) SW (229 degrees) Middletown, CA - 14 km (9 miles) WNW (288 degrees) Hidden Valley Lake, CA - 18 km (11 miles) W (264 degrees) Lower Lake, CA - 19 km (12 miles) SW (226 degrees) |
| Coordinates | 38 deg. 47.5 min. N (38.792N), 122 deg. 46.1 min. W (122.768W) |
| Depth | 1.62 km (1.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.8 km, Rmss=0.02 sec, Erho=0.47 km, Erzz=1.17999995 km, Gp=88 degrees |
| Event ID# | nc75255971 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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