Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #4: 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 7:15:27 PM (PDT) on Thursday, October 16, 2025.
The magnitude 1.2 event occurred 3 km (2 miles) ESE of Loma Linda, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Thursday, October 16, 2025 at 7:15:27 PM (PDT) Friday, October 17, 2025 at 2:15:27 (UTC) |
| Distance from |
Loma Linda, CA - 3 km (2 miles) ESE (123 degrees) Redlands, CA - 6 km (3 miles) WSW (246 degrees) Grand Terrace, CA - 7 km (4 miles) E (89 degrees) Colton, CA - 8 km (5 miles) ESE (121 degrees) Mentone, CA - 10 km (6 miles) WSW (248 degrees) |
| Coordinates | 34 deg. 2.1 min. N (34.035N), 117 deg. 14.2 min. W (117.237W) |
| Depth | 16.05 km (10.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=57, Nph=103, Dmin=10.8 km, Rmss=0.21 sec, Erho=0.21 km, Erzz=0.41 km, Gp=47 degrees |
| Event ID# | ci41109743 |
| 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)
