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 12:04:28 PM (PDT) on Wednesday, October 15, 2025.
The magnitude 1.0 event occurred 5 km (3 miles) NW of Middletown, CA.
The hypocentral depth is 6 km ( 4 miles).
Magnitude | 1.0 - duration magnitude (Md) |
Time | Wednesday, October 15, 2025 at 12:04:28 PM (PDT) Wednesday, October 15, 2025 at 19:04:28 (UTC) |
Distance from |
Middletown, CA - 5 km (3 miles) NW (310 degrees) Cobb, CA - 7 km (5 miles) SE (129 degrees) The Geysers, CA - 9 km (5 miles) E (88 degrees) Hidden Valley Lake, CA - 9 km (6 miles) WSW (250 degrees) Lower Lake, CA - 15 km (9 miles) SSW (196 degrees) |
Coordinates | 38 deg. 46.8 min. N (38.780N), 122 deg. 39.4 min. W (122.657W) |
Depth | 6.23 km (3.90 miles) |
Quality | Poor |
Location Quality Parameters | Nst=6, Nph=5, Dmin=11.3 km, Rmss=0.05 sec, Erho=3.12 km, Erzz=8.23999977 km, Gp=207 degrees |
Event ID# | nc75249761 |
Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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