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 11:15:58 AM (PDT) on Sunday, September 27, 2026.
The magnitude 2.3 event occurred 19 km (12 miles) SSE of Ridgemark, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 2.3 - duration magnitude (Md) |
| Time | Sunday, September 27, 2026 at 11:15:58 AM (PDT) Sunday, September 27, 2026 at 18:15:58 (UTC) |
| Distance from |
Ridgemark, CA - 19 km (12 miles) SSE (163 degrees) Gonzales, CA - 20 km (13 miles) NE (39 degrees) Chualar, CA - 21 km (13 miles) ENE (66 degrees) Hollister, CA - 24 km (15 miles) SSE (159 degrees) Soledad, CA - 25 km (15 miles) N (5 degrees) |
| Coordinates | 36 deg. 38.9 min. N (36.648N), 121 deg. 18.2 min. W (121.303W) |
| Depth | 8.13 km (5.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=57, Nph=50, Dmin=4.2 km, Rmss=0.23 sec, Erho=0.26 km, Erzz=0.779999971 km, Gp=29 degrees |
| Event ID# | nc75443227 |
| 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)
