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 2:18:27 AM (PDT) on Friday, August 8, 2025.
The magnitude 0.4 event occurred 0 km (0 miles) SSW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 0.4 - duration magnitude (Md) |
| Time | Friday, August 8, 2025 at 2:18:27 AM (PDT) Friday, August 8, 2025 at 9:18:27 (UTC) |
| Distance from |
The Geysers, CA - 0 km (0 miles) SSW (205 degrees) Cobb, CA - 6 km (4 miles) SSW (210 degrees) Middletown, CA - 13 km (8 miles) WNW (282 degrees) Hidden Valley Lake, CA - 18 km (11 miles) WSW (258 degrees) Lower Lake, CA - 20 km (12 miles) SW (220 degrees) |
| Coordinates | 38 deg. 46.5 min. N (38.775N), 122 deg. 45.5 min. W (122.758W) |
| Depth | 1.26 km (0.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=6, Nph=5, Dmin=2.0 km, Rmss=0.02 sec, Erho=0.43 km, Erzz=0.720000029 km, Gp=174 degrees |
| Event ID# | nc75220687 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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