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 0:35:34 AM (PDT) on Wednesday, October 8, 2025.
The magnitude 2.0 event occurred 4 km (2 miles) NE (54 degrees) of Middletown, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 2.0 - duration magnitude (Md) |
| Time | Wednesday, October 8, 2025 at 0:35:34 AM (PDT) Wednesday, October 8, 2025 at 7:35:34 (UTC) |
| Distance from |
Middletown, CA - 4 km (2 miles) NE (54 degrees) Hidden Valley Lake, CA - 4 km (3 miles) SSW (204 degrees) Cobb, CA - 14 km (9 miles) ESE (113 degrees) The Geysers, CA - 15 km (10 miles) E (91 degrees) Lower Lake, CA - 15 km (10 miles) S (169 degrees) |
| Coordinates | 38 deg. 46.4 min. N (38.774N), 122 deg. 34.7 min. W (122.578W) |
| Depth | 6.52 km (4.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=26, Nph=26, Dmin=4.1 km, Rmss=0.20 sec, Erho=0.35 km, Erzz=0.839999974 km, Gp=40 degrees |
| Event ID# | nc75246426 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
[
Index map ||
Big earthquake list ||
All earthquake list ||
Glossary of terms ||
Top page
]
[
Did you feel it? ||
ShakeMaps
|| Relative2Me
]
[ Data Sources ]
Special maps
Long Valley || Los Angeles || San Francisco
Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)
