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 7:54:13 PM (PDT) on Thursday, July 31, 2025.
The magnitude 0.9 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Thursday, July 31, 2025 at 7:54:13 PM (PDT) Friday, August 1, 2025 at 2:54:13 (UTC) |
| Distance from |
The Geysers, CA - 7 km (4 miles) NW (320 degrees) Cobb, CA - 7 km (4 miles) W (271 degrees) Kelseyville, CA - 17 km (11 miles) S (170 degrees) Cloverdale, CA - 18 km (11 miles) E (84 degrees) Middletown, CA - 18 km (11 miles) WNW (295 degrees) |
| Coordinates | 38 deg. 49.4 min. N (38.823N), 122 deg. 48.3 min. W (122.806W) |
| Depth | 2.22 km (1.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=17, Nph=17, Dmin=0.4 km, Rmss=0.04 sec, Erho=0.3 km, Erzz=0.600000024 km, Gp=42 degrees |
| Event ID# | nc75217737 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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