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 6:45:50 PM (PDT) on Sunday, August 17, 2025.
The magnitude 0.9 event occurred 4 km (3 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Sunday, August 17, 2025 at 6:45:50 PM (PDT) Monday, August 18, 2025 at 1:45:50 (UTC) |
| Distance from |
The Geysers, CA - 4 km (3 miles) ESE (121 degrees) Cobb, CA - 7 km (5 miles) S (173 degrees) Middletown, CA - 8 km (5 miles) W (273 degrees) Hidden Valley Lake, CA - 15 km (9 miles) WSW (247 degrees) Lower Lake, CA - 19 km (12 miles) SSW (207 degrees) |
| Coordinates | 38 deg. 45.4 min. N (38.756N), 122 deg. 42.7 min. W (122.712W) |
| Depth | 1.40 km (0.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.2 km, Rmss=0.03 sec, Erho=0.43 km, Erzz=0.439999998 km, Gp=122 degrees |
| Event ID# | nc75225237 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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