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 0:04:09 AM (PDT) on Saturday, August 23, 2025.
The magnitude 0.9 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Saturday, August 23, 2025 at 0:04:09 AM (PDT) Saturday, August 23, 2025 at 7:04:09 (UTC) |
| Distance from |
The Geysers, CA - 6 km (4 miles) NW (311 degrees) Cobb, CA - 8 km (5 miles) W (264 degrees) Cloverdale, CA - 18 km (11 miles) E (87 degrees) Kelseyville, CA - 18 km (11 miles) S (172 degrees) Middletown, CA - 18 km (11 miles) WNW (292 degrees) |
| Coordinates | 38 deg. 48.9 min. N (38.814N), 122 deg. 48.7 min. W (122.811W) |
| Depth | 9.23 km (5.70 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=1.5 km, Rmss=0.02 sec, Erho=1.38 km, Erzz=7.51000023 km, Gp=132 degrees |
| Event ID# | nc75227607 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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