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 #3: 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 2:34:31 PM (PST) on Friday, November 28, 2025.
The magnitude 0.9 event occurred 1 km (0 miles) NE (48 degrees) of Colton, CA.
The hypocentral depth is 21 km (13 miles).
| Magnitude | 0.9 - local magnitude (Ml) |
| Time | Friday, November 28, 2025 at 2:34:31 PM (PST) Friday, November 28, 2025 at 22:34:31 (UTC) |
| Distance from |
Colton, CA - 1 km (0 miles) NE (48 degrees) Grand Terrace, CA - 5 km (3 miles) N (5 degrees) Loma Linda, CA - 5 km (3 miles) NW (307 degrees) San Bernardino, CA - 6 km (4 miles) SSW (194 degrees) Rialto, CA - 7 km (4 miles) ESE (120 degrees) |
| Coordinates | 34 deg. 4.7 min. N (34.078N), 117 deg. 18.5 min. W (117.309W) |
| Depth | 20.80 km (12.90 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=6, Nph=8, Dmin=18.7 km, Rmss=0.11 sec, Erho=1.1 km, Erzz=1.7 km, Gp=206 degrees |
| Event ID# | ci41129023 |
| 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)
