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 6:17:33 PM (PDT) on Saturday, July 26, 2025.
The magnitude 1.0 event occurred 2 km (2 miles) N of Fontana, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.0 - local magnitude (Ml) |
| Time | Saturday, July 26, 2025 at 6:17:33 PM (PDT) Sunday, July 27, 2025 at 1:17:33 (UTC) |
| Distance from |
Fontana, CA - 2 km (2 miles) N (349 degrees) Bloomington, CA - 8 km (5 miles) NW (311 degrees) Rialto, CA - 9 km (5 miles) W (279 degrees) Rancho Cucamonga, CA - 11 km (7 miles) E (92 degrees) Muscoy, CA - 12 km (7 miles) WSW (250 degrees) |
| Coordinates | 34 deg. 7.2 min. N (34.119N), 117 deg. 27.8 min. W (117.463W) |
| Depth | 8.50 km (5.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=50, Nph=72, Dmin=3.1 km, Rmss=0.22 sec, Erho=0.22 km, Erzz=0.5 km, Gp=27 degrees |
| Event ID# | ci41033351 |
| 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)
