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 8:29:30 AM (PDT) on Wednesday, July 30, 2025.
The magnitude 0.3 event occurred 6 km (3 miles) W of Cobb, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 0.3 - duration magnitude (Md) |
| Time | Wednesday, July 30, 2025 at 8:29:30 AM (PDT) Wednesday, July 30, 2025 at 15:29:30 (UTC) |
| Distance from |
Cobb, CA - 6 km (3 miles) W (277 degrees) The Geysers, CA - 6 km (4 miles) NNW (335 degrees) Kelseyville, CA - 17 km (11 miles) SSE (165 degrees) Middletown, CA - 17 km (11 miles) WNW (300 degrees) Lower Lake, CA - 18 km (11 miles) WSW (239 degrees) |
| Coordinates | 38 deg. 49.7 min. N (38.828N), 122 deg. 47.2 min. W (122.787W) |
| Depth | 1.40 km (0.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=9, Nph=9, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.33 km, Erzz=0.579999983 km, Gp=90 degrees |
| Event ID# | nc75216992 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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