Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE 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 earthquake occurred at 11:12:21 PM (PDT) on Saturday, April 18, 2026.
The magnitude 1.0 event occurred 4 km (3 miles) N of Dublin, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.0 - duration magnitude (Md) |
| Time | Saturday, April 18, 2026 at 11:12:21 PM (PDT) Sunday, April 19, 2026 at 6:12:21 (UTC) |
| Distance from |
Dublin, CA - 4 km (3 miles) N (357 degrees) San Ramon, CA - 6 km (3 miles) SE (141 degrees) Blackhawk, CA - 9 km (6 miles) SSW (197 degrees) Pleasanton, CA - 10 km (6 miles) NNW (328 degrees) Danville, CA - 10 km (7 miles) SSE (149 degrees) |
| Coordinates | 37 deg. 44.5 min. N (37.741N), 121 deg. 56.3 min. W (121.938W) |
| Depth | 9.92 km (6.20 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=29, Nph=31, Dmin=3.6 km, Rmss=0.04 sec, Erho=0.16 km, Erzz=0.33 km, Gp=49 degrees |
| Event ID# | nc75347522 |
| 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)
