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 12:14:47 PM (PDT) on Friday, August 8, 2025.
The magnitude 1.0 event occurred 6 km (4 miles) W of Middletown, CA.
The hypocentral depth is -1 km (-0.50 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Friday, August 8, 2025 at 12:14:47 PM (PDT) Friday, August 8, 2025 at 19:14:47 (UTC) |
| Distance from |
Middletown, CA - 6 km (4 miles) W (269 degrees) The Geysers, CA - 7 km (4 miles) ESE (115 degrees) Cobb, CA - 9 km (5 miles) SSE (157 degrees) Hidden Valley Lake, CA - 13 km (8 miles) WSW (240 degrees) Lower Lake, CA - 19 km (12 miles) SSW (200 degrees) |
| Coordinates | 38 deg. 45.1 min. N (38.751N), 122 deg. 41.1 min. W (122.685W) |
| Depth | -0.80 km (-0.50 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=5.2 km, Rmss=0.17 sec, Erho=0.63 km, Erzz=4.28999996 km, Gp=93 degrees |
| Event ID# | nc75220817 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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