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 1:44:58 AM (PDT) on Thursday, August 21, 2025.
The magnitude 1.7 event occurred 7 km (5 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Thursday, August 21, 2025 at 1:44:58 AM (PDT) Thursday, August 21, 2025 at 8:44:58 (UTC) |
| Distance from |
Cobb, CA - 7 km (5 miles) W (279 degrees) The Geysers, CA - 8 km (5 miles) NW (324 degrees) Kelseyville, CA - 16 km (10 miles) S (170 degrees) Cloverdale, CA - 18 km (11 miles) E (80 degrees) Soda Bay, CA - 19 km (12 miles) S (185 degrees) |
| Coordinates | 38 deg. 50.0 min. N (38.833N), 122 deg. 48.5 min. W (122.808W) |
| Depth | 2.23 km (1.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=34, Nph=34, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.16 km, Erzz=0.289999992 km, Gp=35 degrees |
| Event ID# | nc75226642 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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