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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:01:32 PM (PDT) on Monday, August 17, 2026.
The magnitude 0.5 event occurred 9 km (5 miles) ENE (59 degrees) of North Tustin, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 0.5 - local magnitude (Ml) |
| Time | Monday, August 17, 2026 at 10:01:32 PM (PDT) Tuesday, August 18, 2026 at 5:01:32 (UTC) |
| Distance from |
North Tustin, CA - 9 km (5 miles) ENE (59 degrees) Villa Park, CA - 9 km (6 miles) E (97 degrees) Orange, CA - 11 km (7 miles) E (89 degrees) Tustin, CA - 12 km (8 miles) ENE (58 degrees) Yorba Linda, CA - 13 km (8 miles) SE (135 degrees) |
| Coordinates | 33 deg. 48.3 min. N (33.804N), 117 deg. 42.8 min. W (117.713W) |
| Depth | 7.87 km (4.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=17, Nph=24, Dmin=7.5 km, Rmss=0.17 sec, Erho=0.44 km, Erzz=0.88 km, Gp=86 degrees |
| Event ID# | ci41528936 |
| 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)
