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 11:11:03 PM (PDT) on Sunday, October 19, 2025.
The magnitude 1.2 event occurred 8 km (5 miles) SSW of Lytle Creek, CA.
The hypocentral depth is 16 km (10 miles).
| Magnitude | 1.2 - local magnitude (Ml) |
| Time | Sunday, October 19, 2025 at 11:11:03 PM (PDT) Monday, October 20, 2025 at 6:11:03 (UTC) |
| Distance from |
Lytle Creek, CA - 8 km (5 miles) SSW (193 degrees) Rancho Cucamonga, CA - 9 km (6 miles) NE (38 degrees) Fontana, CA - 11 km (7 miles) NNW (331 degrees) Devore, CA - 11 km (7 miles) WSW (251 degrees) Upland, CA - 16 km (10 miles) NE (50 degrees) |
| Coordinates | 34 deg. 11.3 min. N (34.188N), 117 deg. 31.1 min. W (117.519W) |
| Depth | 15.67 km (9.70 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=60, Nph=107, Dmin=2.8 km, Rmss=0.23 sec, Erho=0.23 km, Erzz=0.4 km, Gp=35 degrees |
| Event ID# | ci41111567 |
| 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)
