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 1:46:57 PM (PDT) on Wednesday, August 20, 2025.
The magnitude 1.0 event occurred 1 km (1 miles) E (88 degrees) of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Wednesday, August 20, 2025 at 1:46:57 PM (PDT) Wednesday, August 20, 2025 at 20:46:57 (UTC) |
| Distance from |
The Geysers, CA - 1 km (1 miles) E (88 degrees) Cobb, CA - 5 km (3 miles) SSW (197 degrees) Middletown, CA - 11 km (7 miles) WNW (285 degrees) Hidden Valley Lake, CA - 16 km (10 miles) WSW (258 degrees) Lower Lake, CA - 19 km (12 miles) SW (217 degrees) |
| Coordinates | 38 deg. 46.7 min. N (38.778N), 122 deg. 44.4 min. W (122.740W) |
| Depth | 1.09 km (0.70 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=0.7 km, Rmss=0.01 sec, Erho=0.33 km, Erzz=0.629999995 km, Gp=81 degrees |
| Event ID# | nc75226417 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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