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 3:21:08 PM (PST) on Tuesday, March 3, 2026.
The magnitude 1.1 event occurred 8 km (5 miles) NNE (15 degrees) of Rancho Cucamonga, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Tuesday, March 3, 2026 at 3:21:08 PM (PST) Tuesday, March 3, 2026 at 23:21:08 (UTC) |
| Distance from |
Rancho Cucamonga, CA - 8 km (5 miles) NNE (15 degrees) Lytle Creek, CA - 9 km (6 miles) SW (216 degrees) Upland, CA - 13 km (8 miles) NE (39 degrees) Fontana, CA - 14 km (9 miles) NW (319 degrees) Devore, CA - 15 km (9 miles) WSW (257 degrees) |
| Coordinates | 34 deg. 11.5 min. N (34.191N), 117 deg. 33.5 min. W (117.558W) |
| Depth | 9.98 km (6.20 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=50, Nph=85, Dmin=5.7 km, Rmss=0.18 sec, Erho=0.18 km, Erzz=0.3 km, Gp=44 degrees |
| Event ID# | ci41408592 |
| 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)
