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 5:06:06 PM (PDT) on Saturday, September 20, 2025.
The magnitude 0.7 event occurred 2 km (1 miles) NNE (22 degrees) of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 0.7 - duration magnitude (Md) |
| Time | Saturday, September 20, 2025 at 5:06:06 PM (PDT) Sunday, September 21, 2025 at 0:06:06 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) NNE (22 degrees) Cobb, CA - 4 km (2 miles) SW (214 degrees) Middletown, CA - 12 km (8 miles) WNW (291 degrees) Hidden Valley Lake, CA - 17 km (10 miles) W (264 degrees) Lower Lake, CA - 18 km (11 miles) SW (223 degrees) |
| Coordinates | 38 deg. 47.6 min. N (38.793N), 122 deg. 44.9 min. W (122.748W) |
| Depth | 2.51 km (1.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=1.3 km, Rmss=0.02 sec, Erho=0.42 km, Erzz=1.37 km, Gp=91 degrees |
| Event ID# | nc75240042 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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