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 6:34:10 PM (PDT) on Friday, August 1, 2025.
The magnitude 1.2 event occurred 2 km (2 miles) N (11 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Friday, August 1, 2025 at 6:34:10 PM (PDT) Saturday, August 2, 2025 at 1:34:10 (UTC) |
| Distance from |
The Geysers, CA - 2 km (2 miles) N (11 degrees) Cobb, CA - 4 km (2 miles) SW (223 degrees) Middletown, CA - 13 km (8 miles) WNW (294 degrees) Hidden Valley Lake, CA - 17 km (10 miles) W (267 degrees) Lower Lake, CA - 17 km (11 miles) SW (225 degrees) |
| Coordinates | 38 deg. 48.0 min. N (38.799N), 122 deg. 45.0 min. W (122.751W) |
| Depth | 2.34 km (1.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=19, Nph=19, Dmin=0.8 km, Rmss=0.02 sec, Erho=0.26 km, Erzz=0.550000012 km, Gp=98 degrees |
| Event ID# | nc75218122 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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