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 0:39:18 AM (PDT) on Tuesday, October 7, 2025.
The magnitude 1.2 event occurred 4 km (2 miles) SE of The Geysers, CA.
The hypocentral depth is 1 km (0.50 miles).
| Magnitude | 1.2 - duration magnitude (Md) |
| Time | Tuesday, October 7, 2025 at 0:39:18 AM (PDT) Tuesday, October 7, 2025 at 7:39:18 (UTC) |
| Distance from |
The Geysers, CA - 4 km (2 miles) SE (145 degrees) Cobb, CA - 8 km (5 miles) S (185 degrees) Middletown, CA - 10 km (6 miles) W (268 degrees) Hidden Valley Lake, CA - 16 km (10 miles) WSW (247 degrees) Healdsburg, CA - 20 km (12 miles) NE (38 degrees) |
| Coordinates | 38 deg. 45.0 min. N (38.750N), 122 deg. 43.9 min. W (122.732W) |
| Depth | 0.86 km (0.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=10, Nph=10, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.43 km, Erzz=0.319999993 km, Gp=115 degrees |
| Event ID# | nc75245926 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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