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 9:12:43 PM (PDT) on Monday, September 29, 2025.
The magnitude 1.7 event occurred 5 km (3 miles) ESE of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Monday, September 29, 2025 at 9:12:43 PM (PDT) Tuesday, September 30, 2025 at 4:12:43 (UTC) |
| Distance from |
The Geysers, CA - 5 km (3 miles) ESE (105 degrees) Cobb, CA - 7 km (4 miles) SSE (163 degrees) Middletown, CA - 8 km (5 miles) W (281 degrees) Hidden Valley Lake, CA - 13 km (8 miles) WSW (249 degrees) Lower Lake, CA - 18 km (11 miles) SSW (206 degrees) |
| Coordinates | 38 deg. 45.9 min. N (38.765N), 122 deg. 42.1 min. W (122.701W) |
| Depth | 1.76 km (1.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=0.3 km, Rmss=0.03 sec, Erho=0.46 km, Erzz=0.540000021 km, Gp=149 degrees |
| Event ID# | nc75242746 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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