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 12:40:55 PM (PDT) on Friday, August 1, 2025.
The magnitude 1.1 event occurred 2 km (1 miles) NE (50 degrees) of The Geysers, CA.
The hypocentral depth is 0.47 km (0.30 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Friday, August 1, 2025 at 12:40:55 PM (PDT) Friday, August 1, 2025 at 19:40:55 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) NE (50 degrees) Cobb, CA - 4 km (3 miles) SSW (202 degrees) Middletown, CA - 12 km (7 miles) WNW (290 degrees) Hidden Valley Lake, CA - 16 km (10 miles) W (262 degrees) Lower Lake, CA - 18 km (11 miles) SW (220 degrees) |
| Coordinates | 38 deg. 47.2 min. N (38.787N), 122 deg. 44.5 min. W (122.741W) |
| Depth | 0.47 km (0.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=16, Nph=16, Dmin=0.6 km, Rmss=0.03 sec, Erho=0.19 km, Erzz=0.449999988 km, Gp=85 degrees |
| Event ID# | nc75218007 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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