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 0:32:19 AM (PDT) on Wednesday, July 30, 2025.
The magnitude 1.1 event occurred 4 km (2 miles) E (91 degrees) of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Wednesday, July 30, 2025 at 0:32:19 AM (PDT) Wednesday, July 30, 2025 at 7:32:19 (UTC) |
| Distance from |
The Geysers, CA - 4 km (2 miles) E (91 degrees) Cobb, CA - 5 km (3 miles) S (172 degrees) Middletown, CA - 9 km (6 miles) WNW (288 degrees) Hidden Valley Lake, CA - 14 km (9 miles) WSW (256 degrees) Lower Lake, CA - 17 km (11 miles) SSW (211 degrees) |
| Coordinates | 38 deg. 46.6 min. N (38.777N), 122 deg. 42.9 min. W (122.715W) |
| Depth | 1.20 km (0.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=1.6 km, Rmss=0.03 sec, Erho=0.35 km, Erzz=0.629999995 km, Gp=96 degrees |
| Event ID# | nc75216842 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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