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 3:08:55 PM (PDT) on Saturday, September 20, 2025.
The magnitude 0.8 event occurred 4 km (3 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km (0.40 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Saturday, September 20, 2025 at 3:08:55 PM (PDT) Saturday, September 20, 2025 at 22:08:55 (UTC) |
| Distance from |
The Geysers, CA - 4 km (3 miles) NNW (333 degrees) Cobb, CA - 5 km (3 miles) WSW (258 degrees) Middletown, CA - 16 km (10 miles) WNW (295 degrees) Lower Lake, CA - 18 km (11 miles) SW (234 degrees) Kelseyville, CA - 19 km (12 miles) SSE (164 degrees) |
| Coordinates | 38 deg. 48.8 min. N (38.813N), 122 deg. 46.8 min. W (122.780W) |
| Depth | 0.57 km (0.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=0.1 km, Rmss=0.02 sec, Erho=0.3 km, Erzz=0.610000014 km, Gp=72 degrees |
| Event ID# | nc75240012 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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