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 11:48:37 PM (PDT) on Thursday, March 27, 2025.
The magnitude 1.7 event occurred 2 km (1 miles) SSE of Ridgemark, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.7 - duration magnitude (Md)
Time Thursday, March 27, 2025 at 11:48:37 PM (PDT)
Friday, March 28, 2025 at 6:48:37 (UTC)
Distance from Ridgemark, CA - 2 km (1 miles) SSE (168 degrees)
Hollister, CA - 7 km (4 miles) SSE (151 degrees)
San Juan Bautista, CA - 17 km (10 miles) ESE (110 degrees)
Aromas, CA - 27 km (17 miles) ESE (113 degrees)
Prunedale, CA - 28 km (17 miles) E (86 degrees)
Coordinates 36 deg. 47.5 min. N (36.792N), 121 deg. 21.6 min. W (121.360W)
Depth 2.17 km (1.30 miles)
Quality Good
Location Quality Parameters Nst=12, Nph=12, Dmin=8.4 km, Rmss=0.06 sec, Erho=0.29 km, Erzz=1.51999998 km, Gp=144 degrees
Event ID# nc75156567
Additional Information Map
Waveforms

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)