Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:15:43 AM (PDT) on Wednesday, September 17, 2025.
The magnitude 0.3 event occurred 3 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.3 - duration magnitude (Md) |
| Time | Wednesday, September 17, 2025 at 10:15:43 AM (PDT) Wednesday, September 17, 2025 at 17:15:43 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) ESE (122 degrees) Cobb, CA - 7 km (4 miles) S (181 degrees) Middletown, CA - 10 km (6 miles) W (276 degrees) Hidden Valley Lake, CA - 15 km (10 miles) WSW (250 degrees) Lower Lake, CA - 19 km (12 miles) SSW (211 degrees) |
| Coordinates | 38 deg. 45.7 min. N (38.762N), 122 deg. 43.5 min. W (122.725W) |
| Depth | 2.21 km (1.40 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=11, Nph=13, Dmin=0.0 km, Rmss=0.02 sec, Erho=0.41 km, Erzz=0.33 km, Gp=109 degrees |
| Event ID# | nc75238847 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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