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 10:17:08 AM (PDT) on Tuesday, September 30, 2025.
The magnitude 0.7 event occurred 2 km (1 miles) ESE of The Geysers, CA.
The hypocentral depth is 0.50 km (0.30 miles).
| Magnitude | 0.7 - duration magnitude (Md) |
| Time | Tuesday, September 30, 2025 at 10:17:08 AM (PDT) Tuesday, September 30, 2025 at 17:17:08 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) ESE (119 degrees) Cobb, CA - 6 km (4 miles) SSW (193 degrees) Middletown, CA - 11 km (7 miles) W (280 degrees) Hidden Valley Lake, CA - 16 km (10 miles) WSW (255 degrees) Lower Lake, CA - 19 km (12 miles) SW (215 degrees) |
| Coordinates | 38 deg. 46.2 min. N (38.770N), 122 deg. 44.3 min. W (122.738W) |
| Depth | 0.50 km (0.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=8, Nph=7, Dmin=1.5 km, Rmss=0.01 sec, Erho=0.3 km, Erzz=0.720000029 km, Gp=77 degrees |
| Event ID# | nc75243051 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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