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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 3:01:34 PM (PDT) on Saturday, June 20, 2026.
The magnitude 1.0 event occurred 1 km (1 miles) ESE of Colton, CA.
The hypocentral depth is 17 km (11 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Saturday, June 20, 2026 at 3:01:34 PM (PDT) Saturday, June 20, 2026 at 22:01:34 (UTC) |
| Distance from |
Colton, CA - 1 km (1 miles) ESE (123 degrees) Grand Terrace, CA - 4 km (2 miles) NNE (12 degrees) Loma Linda, CA - 5 km (3 miles) WNW (300 degrees) San Bernardino, CA - 7 km (4 miles) S (189 degrees) Rialto, CA - 7 km (5 miles) SE (124 degrees) |
| Coordinates | 34 deg. 4.1 min. N (34.069N), 117 deg. 18.3 min. W (117.305W) |
| Depth | 17.30 km (10.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=26, Nph=38, Dmin=9.8 km, Rmss=0.18 sec, Erho=0.27 km, Erzz=0.57 km, Gp=98 degrees |
| Event ID# | ci41491472 |
| 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)
