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 5:48:45 AM (PST) on Thursday, December 25, 2025.
The magnitude 1.6 event occurred 4 km (3 miles) WSW of Ridgemark, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.6 - duration magnitude (Md) |
| Time | Thursday, December 25, 2025 at 5:48:45 AM (PST) Thursday, December 25, 2025 at 13:48:45 (UTC) |
| Distance from |
Ridgemark, CA - 4 km (3 miles) WSW (247 degrees) Hollister, CA - 6 km (3 miles) S (190 degrees) San Juan Bautista, CA - 13 km (8 miles) ESE (115 degrees) Aromas, CA - 23 km (14 miles) ESE (116 degrees) Prunedale, CA - 23 km (15 miles) E (84 degrees) |
| Coordinates | 36 deg. 47.9 min. N (36.798N), 121 deg. 24.5 min. W (121.409W) |
| Depth | 6.22 km (3.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=8, Dmin=5.1 km, Rmss=0.04 sec, Erho=0.57 km, Erzz=0.870000005 km, Gp=117 degrees |
| Event ID# | nc75286126 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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