Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:40:38 PM (PDT) on Monday, August 4, 2025.
The magnitude 0.3 event occurred 1 km (1 miles) WNW of The Geysers, CA.
The hypocentral depth is 0.34 km (0.20 miles).
| Magnitude | 0.3 - duration magnitude (Md) |
| Time | Monday, August 4, 2025 at 7:40:38 PM (PDT) Tuesday, August 5, 2025 at 2:40:38 (UTC) |
| Distance from |
The Geysers, CA - 1 km (1 miles) WNW (300 degrees) Cobb, CA - 6 km (4 miles) SW (223 degrees) Middletown, CA - 14 km (9 miles) WNW (284 degrees) Hidden Valley Lake, CA - 19 km (12 miles) W (262 degrees) Lower Lake, CA - 20 km (12 miles) SW (224 degrees) |
| Coordinates | 38 deg. 47.0 min. N (38.783N), 122 deg. 46.2 min. W (122.770W) |
| Depth | 0.34 km (0.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=1.4 km, Rmss=0.03 sec, Erho=0.22 km, Erzz=0.4 km, Gp=85 degrees |
| Event ID# | nc75219322 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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