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 10:55:15 PM (PDT) on Thursday, September 18, 2025.
The magnitude 1.0 event occurred 3 km (2 miles) ENE (76 degrees) of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Thursday, September 18, 2025 at 10:55:15 PM (PDT) Friday, September 19, 2025 at 5:55:15 (UTC) |
| Distance from |
The Geysers, CA - 3 km (2 miles) ENE (76 degrees) Cobb, CA - 4 km (3 miles) S (173 degrees) Middletown, CA - 10 km (6 miles) WNW (292 degrees) Hidden Valley Lake, CA - 14 km (9 miles) W (260 degrees) Lower Lake, CA - 17 km (10 miles) SW (214 degrees) |
| Coordinates | 38 deg. 47.1 min. N (38.785N), 122 deg. 43.1 min. W (122.718W) |
| Depth | 2.53 km (1.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=9, Dmin=1.7 km, Rmss=0.01 sec, Erho=0.35 km, Erzz=1.00999999 km, Gp=96 degrees |
| Event ID# | nc75239402 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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