Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:46:56 PM (PDT) on Friday, August 1, 2025.
The magnitude 0.3 event occurred 3 km (2 miles) E of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.3 - duration magnitude (Md) |
| Time | Friday, August 1, 2025 at 10:46:56 PM (PDT) Saturday, August 2, 2025 at 5:46:56 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) E (100 degrees) Cobb, CA - 6 km (3 miles) S (176 degrees) Middletown, CA - 9 km (6 miles) WNW (284 degrees) Hidden Valley Lake, CA - 14 km (9 miles) WSW (254 degrees) Lower Lake, CA - 18 km (11 miles) SSW (211 degrees) |
| Coordinates | 38 deg. 46.3 min. N (38.772N), 122 deg. 43.1 min. W (122.718W) |
| Depth | 1.74 km (1.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=13, Nph=13, Dmin=1.3 km, Rmss=0.04 sec, Erho=0.28 km, Erzz=0.41 km, Gp=103 degrees |
| Event ID# | nc75218177 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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