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 11:43:04 PM (PDT) on Friday, August 1, 2025.
The magnitude 0.5 event occurred 2 km (1 miles) N of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 0.5 - duration magnitude (Md) |
| Time | Friday, August 1, 2025 at 11:43:04 PM (PDT) Saturday, August 2, 2025 at 6:43:04 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) N (356 degrees) Cobb, CA - 4 km (3 miles) SW (222 degrees) Middletown, CA - 13 km (8 miles) WNW (290 degrees) Hidden Valley Lake, CA - 17 km (11 miles) W (264 degrees) Lower Lake, CA - 18 km (11 miles) SW (224 degrees) |
| Coordinates | 38 deg. 47.5 min. N (38.792N), 122 deg. 45.5 min. W (122.758W) |
| Depth | 1.02 km (0.60 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=22, Nph=22, Dmin=1.0 km, Rmss=0.02 sec, Erho=0.17 km, Erzz=0.27 km, Gp=79 degrees |
| Event ID# | nc75218192 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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