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 10:39:13 PM (PDT) on Thursday, August 21, 2025.
The magnitude 0.8 event occurred 10 km (6 miles) NW of The Geysers, CA.
The hypocentral depth is 12 km ( 8 miles).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Thursday, August 21, 2025 at 10:39:13 PM (PDT) Friday, August 22, 2025 at 5:39:13 (UTC) |
| Distance from |
The Geysers, CA - 10 km (6 miles) NW (311 degrees) Cobb, CA - 10 km (6 miles) W (277 degrees) Cloverdale, CA - 16 km (10 miles) ENE (78 degrees) Kelseyville, CA - 16 km (10 miles) S (180 degrees) Soda Bay, CA - 19 km (12 miles) SSW (193 degrees) |
| Coordinates | 38 deg. 50.0 min. N (38.834N), 122 deg. 50.4 min. W (122.840W) |
| Depth | 12.46 km (7.70 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=6, Nph=6, Dmin=0.6 km, Rmss=0.05 sec, Erho=2.35 km, Erzz=8.56999969 km, Gp=230 degrees |
| Event ID# | nc75227032 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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