Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: 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 11:06:58 AM (PDT) on Monday, August 17, 2026.
The magnitude 1.3 event occurred 4 km (3 miles) SW of Half Moon Bay, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.3 - duration magnitude (Md) |
| Time | Monday, August 17, 2026 at 11:06:58 AM (PDT) Monday, August 17, 2026 at 18:06:58 (UTC) |
| Distance from |
Half Moon Bay, CA - 4 km (3 miles) SW (224 degrees) El Granada, CA - 8 km (5 miles) S (176 degrees) Montara, CA - 13 km (8 miles) SSE (159 degrees) Highlands-Baywood Park, CA - 14 km (9 miles) SW (227 degrees) Hillsborough, CA - 17 km (11 miles) SSW (205 degrees) |
| Coordinates | 37 deg. 26.1 min. N (37.435N), 122 deg. 27.8 min. W (122.463W) |
| Depth | 7.01 km (4.40 miles) |
| Quality | Poor |
| Location Quality Parameters | Nst=5, Nph=5, Dmin=21.0 km, Rmss=0.12 sec, Erho=7.46 km, Erzz=9.85000038 km, Gp=219 degrees |
| Event ID# | nc75420167 |
| 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)
