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 3:14:52 PM (PDT) on Thursday, July 31, 2025.
The magnitude 0.4 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Thursday, July 31, 2025 at 3:14:52 PM (PDT) Thursday, July 31, 2025 at 22:14:52 (UTC) |
| Distance from |
The Geysers, CA - 6 km (4 miles) NW (310 degrees) Cobb, CA - 8 km (5 miles) W (262 degrees) Cloverdale, CA - 18 km (11 miles) E (88 degrees) Middletown, CA - 18 km (11 miles) WNW (292 degrees) Kelseyville, CA - 19 km (12 miles) S (172 degrees) |
| Coordinates | 38 deg. 48.7 min. N (38.812N), 122 deg. 48.6 min. W (122.810W) |
| Depth | 3.12 km (1.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.4 km, Rmss=0.01 sec, Erho=0.58 km, Erzz=1.57000005 km, Gp=133 degrees |
| Event ID# | nc75217637 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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