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 10:04:53 PM (PDT) on Thursday, September 18, 2025.
The magnitude 1.1 event occurred 2 km (1 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Thursday, September 18, 2025 at 10:04:53 PM (PDT) Friday, September 19, 2025 at 5:04:53 (UTC) |
| Distance from |
The Geysers, CA - 2 km (1 miles) ESE (113 degrees) Cobb, CA - 6 km (4 miles) SSW (194 degrees) Middletown, CA - 11 km (7 miles) W (281 degrees) Hidden Valley Lake, CA - 16 km (10 miles) WSW (256 degrees) Lower Lake, CA - 19 km (12 miles) SW (216 degrees) |
| Coordinates | 38 deg. 46.3 min. N (38.771N), 122 deg. 44.3 min. W (122.739W) |
| Depth | 1.45 km (0.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=16, Nph=16, Dmin=1.3 km, Rmss=0.03 sec, Erho=0.2 km, Erzz=0.330000013 km, Gp=74 degrees |
| Event ID# | nc75239377 |
| 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)
