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 4:54:41 AM (PDT) on Wednesday, August 6, 2025.
The magnitude 1.7 event occurred 4 km (2 miles) SE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Wednesday, August 6, 2025 at 4:54:41 AM (PDT) Wednesday, August 6, 2025 at 11:54:41 (UTC) |
| Distance from |
The Geysers, CA - 4 km (2 miles) SE (131 degrees) Cobb, CA - 7 km (5 miles) S (181 degrees) Middletown, CA - 10 km (6 miles) W (272 degrees) Hidden Valley Lake, CA - 16 km (10 miles) WSW (248 degrees) Lower Lake, CA - 20 km (12 miles) SSW (210 degrees) |
| Coordinates | 38 deg. 45.3 min. N (38.756N), 122 deg. 43.5 min. W (122.725W) |
| Depth | 1.41 km (0.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=14, Nph=14, Dmin=0.7 km, Rmss=0.04 sec, Erho=0.47 km, Erzz=0.270000011 km, Gp=115 degrees |
| Event ID# | nc75220017 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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