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 4:26:39 PM (PDT) on Friday, August 15, 2025.
The magnitude 1.1 event occurred 3 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Friday, August 15, 2025 at 4:26:39 PM (PDT) Friday, August 15, 2025 at 23:26:39 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) NW (310 degrees) Cobb, CA - 6 km (4 miles) WSW (239 degrees) Middletown, CA - 15 km (9 miles) WNW (288 degrees) Hidden Valley Lake, CA - 19 km (12 miles) W (266 degrees) Lower Lake, CA - 20 km (12 miles) SW (229 degrees) |
| Coordinates | 38 deg. 47.7 min. N (38.794N), 122 deg. 46.9 min. W (122.782W) |
| Depth | 3.31 km (2.10 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=14, Nph=14, Dmin=0.5 km, Rmss=0.03 sec, Erho=0.32 km, Erzz=0.699999988 km, Gp=78 degrees |
| Event ID# | nc75224322 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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