Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 11:55:58 PM (PDT) on Tuesday, September 23, 2025.
The magnitude 0.5 event occurred 16 km (10 miles) E (92 degrees) of Seven Trees, CA.
The hypocentral depth is 3 km ( 2 miles).
| Magnitude | 0.5 - duration magnitude (Md) |
| Time | Tuesday, September 23, 2025 at 11:55:58 PM (PDT) Wednesday, September 24, 2025 at 6:55:58 (UTC) |
| Distance from |
Seven Trees, CA - 16 km (10 miles) E (92 degrees) Morgan Hill, CA - 17 km (10 miles) N (359 degrees) Alum Rock, CA - 18 km (11 miles) ESE (122 degrees) East Foothills, CA - 18 km (11 miles) SE (128 degrees) San Jose, CA - 22 km (14 miles) ESE (107 degrees) |
| Coordinates | 37 deg. 16.9 min. N (37.282N), 121 deg. 39.4 min. W (121.657W) |
| Depth | 3.11 km (1.90 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=12, Nph=14, Dmin=2.9 km, Rmss=0.03 sec, Erho=0.25 km, Erzz=0.36 km, Gp=88 degrees |
| Event ID# | nc75241242 |
| 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)
