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 10:03:02 PM (PDT) on Friday, September 19, 2025.
The magnitude 1.6 event occurred 2 km (1 miles) NW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Friday, September 19, 2025 at 10:03:02 PM (PDT) Saturday, September 20, 2025 at 5:03:02 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) NW (313 degrees) Cobb, CA - 6 km (4 miles) SW (234 degrees) Middletown, CA - 15 km (9 miles) WNW (287 degrees) Hidden Valley Lake, CA - 19 km (12 miles) W (265 degrees) Lower Lake, CA - 20 km (12 miles) SW (227 degrees) |
| Coordinates | 38 deg. 47.5 min. N (38.792N), 122 deg. 46.6 min. W (122.776W) |
| Depth | 1.27 km (0.80 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=26, Nph=26, Dmin=1.0 km, Rmss=0.04 sec, Erho=0.22 km, Erzz=0.340000004 km, Gp=79 degrees |
| Event ID# | nc75239792 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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