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 12:45:50 PM (PDT) on Thursday, August 7, 2025.
The magnitude 1.4 event occurred 4 km (3 miles) SE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Thursday, August 7, 2025 at 12:45:50 PM (PDT) Thursday, August 7, 2025 at 19:45:50 (UTC) |
| Distance from |
The Geysers, CA - 4 km (3 miles) SE (141 degrees) Cobb, CA - 8 km (5 miles) S (181 degrees) Middletown, CA - 10 km (6 miles) W (267 degrees) Hidden Valley Lake, CA - 16 km (10 miles) WSW (245 degrees) Healdsburg, CA - 20 km (12 miles) NE (39 degrees) |
| Coordinates | 38 deg. 44.9 min. N (38.748N), 122 deg. 43.5 min. W (122.726W) |
| Depth | 1.81 km (1.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=14, Dmin=1.6 km, Rmss=0.03 sec, Erho=0.28 km, Erzz=0.389999986 km, Gp=79 degrees |
| Event ID# | nc75220492 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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