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 11:41:05 AM (PDT) on Saturday, September 27, 2025.
The magnitude 0.8 event occurred 1 km (1 miles) NNE (29 degrees) of The Geysers, CA.
The hypocentral depth is -0.02 km (-0.00 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Saturday, September 27, 2025 at 11:41:05 AM (PDT) Saturday, September 27, 2025 at 18:41:05 (UTC) |
| Distance from |
The Geysers, CA - 1 km (1 miles) NNE (29 degrees) Cobb, CA - 4 km (3 miles) SSW (210 degrees) Middletown, CA - 12 km (8 miles) WNW (289 degrees) Hidden Valley Lake, CA - 17 km (10 miles) W (262 degrees) Lower Lake, CA - 18 km (11 miles) SW (221 degrees) |
| Coordinates | 38 deg. 47.3 min. N (38.788N), 122 deg. 44.9 min. W (122.749W) |
| Depth | -0.02 km (-0.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.2 km, Rmss=0.03 sec, Erho=0.29 km, Erzz=0.680000007 km, Gp=95 degrees |
| Event ID# | nc75242692 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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