Recent Earthquakes in California and Nevada
== PRELIMINARY EVENT REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro quarry occurred at 11:18:55 AM (PDT) on Friday, July 18, 2025.
The magnitude 1.0 event (a probable quarry explosion) occurred 3 km (2 miles) E (86 degrees) of Cayucos, CA.
The hypocentral depth is -0.12 km (-0.10 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Friday, July 18, 2025 at 11:18:55 AM (PDT) Friday, July 18, 2025 at 18:18:55 (UTC) |
| Distance from |
Cayucos, CA - 3 km (2 miles) E (86 degrees) Morro Bay, CA - 9 km (5 miles) N (353 degrees) Los Osos, CA - 15 km (9 miles) N (350 degrees) Templeton, CA - 18 km (11 miles) SW (230 degrees) Atascadero, CA - 18 km (11 miles) WSW (254 degrees) |
| Coordinates | 35 deg. 26.7 min. N (35.444N), 120 deg. 51.7 min. W (120.862W) |
| Depth | -0.12 km (-0.10 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=21, Nph=21, Dmin=1.7 km, Rmss=0.09 sec, Erho=0.25 km, Erzz=31.61 km, Gp=86 degrees |
| Event ID# | nc75211737 |
| 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)
