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 7:16:56 PM (PDT) on Sunday, September 21, 2025.
The magnitude 0.8 event occurred 4 km (3 miles) W of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
| Magnitude | 0.8 - duration magnitude (Md) |
| Time | Sunday, September 21, 2025 at 7:16:56 PM (PDT) Monday, September 22, 2025 at 2:16:56 (UTC) |
| Distance from |
The Geysers, CA - 4 km (3 miles) W (280 degrees) Cobb, CA - 8 km (5 miles) WSW (238 degrees) Middletown, CA - 17 km (10 miles) WNW (282 degrees) Cloverdale, CA - 19 km (12 miles) E (97 degrees) Healdsburg, CA - 20 km (12 miles) NNE (17 degrees) |
| Coordinates | 38 deg. 47.0 min. N (38.784N), 122 deg. 48.2 min. W (122.803W) |
| Depth | 1.69 km (1.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=7, Nph=7, Dmin=0.5 km, Rmss=0.04 sec, Erho=0.44 km, Erzz=0.99000001 km, Gp=134 degrees |
| Event ID# | nc75240402 |
| 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)
