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 9:13:06 PM (PDT) on Thursday, August 28, 2025.
The magnitude 0.4 event occurred 7 km (5 miles) W of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Thursday, August 28, 2025 at 9:13:06 PM (PDT) Friday, August 29, 2025 at 4:13:06 (UTC) |
| Distance from |
The Geysers, CA - 7 km (5 miles) W (281 degrees) Cobb, CA - 11 km (7 miles) WSW (251 degrees) Cloverdale, CA - 15 km (10 miles) E (96 degrees) Healdsburg, CA - 20 km (12 miles) N (7 degrees) Middletown, CA - 20 km (12 miles) WNW (282 degrees) |
| Coordinates | 38 deg. 47.4 min. N (38.790N), 122 deg. 50.5 min. W (122.841W) |
| Depth | 2.19 km (1.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=11, Nph=11, Dmin=0.6 km, Rmss=0.02 sec, Erho=0.36 km, Erzz=0.699999988 km, Gp=110 degrees |
| Event ID# | nc75230192 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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