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 11:04:54 AM (PDT) on Tuesday, April 28, 2026.
The magnitude 1.4 event occurred 6 km (4 miles) SW of Ridgemark, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Tuesday, April 28, 2026 at 11:04:54 AM (PDT) Tuesday, April 28, 2026 at 18:04:54 (UTC) |
| Distance from |
Ridgemark, CA - 6 km (4 miles) SW (221 degrees) Hollister, CA - 9 km (5 miles) S (188 degrees) San Juan Bautista, CA - 14 km (9 miles) SE (126 degrees) Prunedale, CA - 23 km (14 miles) E (91 degrees) Salinas, CA - 23 km (14 miles) ENE (65 degrees) |
| Coordinates | 36 deg. 46.2 min. N (36.771N), 121 deg. 24.7 min. W (121.411W) |
| Depth | 10.06 km (6.30 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=12, Nph=11, Dmin=3.3 km, Rmss=0.06 sec, Erho=0.38 km, Erzz=0.550000012 km, Gp=137 degrees |
| Event ID# | nc75353302 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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