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 event has been reviewed by a seismologist.
A micro earthquake occurred at 2:57:34 AM (PDT) on Saturday, August 1, 2026.
The magnitude 0.8 event occurred 3 km (2 miles) N of Colton, CA.
The hypocentral depth is 14 km ( 9 miles).
| Magnitude | 0.8 - local magnitude (Ml) |
| Time | Saturday, August 1, 2026 at 2:57:34 AM (PDT) Saturday, August 1, 2026 at 9:57:34 (UTC) |
| Distance from |
Colton, CA - 3 km (2 miles) N (359 degrees) San Bernardino, CA - 4 km (2 miles) SSW (211 degrees) Rialto, CA - 5 km (3 miles) E (97 degrees) Muscoy, CA - 7 km (4 miles) SSE (155 degrees) Grand Terrace, CA - 7 km (5 miles) N (360 degrees) |
| Coordinates | 34 deg. 6.1 min. N (34.101N), 117 deg. 18.8 min. W (117.314W) |
| Depth | 13.97 km (8.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=43, Nph=71, Dmin=13.2 km, Rmss=0.16 sec, Erho=0.2 km, Erzz=0.37 km, Gp=73 degrees |
| Event ID# | ci40664586 |
| 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)
