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 0:53:28 AM (PDT) on Thursday, April 23, 2026.
The magnitude 1.7 event occurred 13 km (8 miles) S of Ridgemark, CA.
The hypocentral depth is 1 km ( 1 mile).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Thursday, April 23, 2026 at 0:53:28 AM (PDT) Thursday, April 23, 2026 at 7:53:28 (UTC) |
| Distance from |
Ridgemark, CA - 13 km (8 miles) S (180 degrees) Hollister, CA - 17 km (11 miles) S (170 degrees) Chualar, CA - 19 km (12 miles) NE (44 degrees) Gonzales, CA - 22 km (14 miles) NNE (18 degrees) San Juan Bautista, CA - 23 km (14 miles) SE (137 degrees) |
| Coordinates | 36 deg. 41.8 min. N (36.696N), 121 deg. 22.0 min. W (121.367W) |
| Depth | 1.24 km (0.80 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=48, Nph=52, Dmin=2.2 km, Rmss=0.17 sec, Erho=0.18 km, Erzz=0.44 km, Gp=36 degrees |
| Event ID# | nc75349982 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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