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 4:40:15 PM (PDT) on Saturday, July 4, 2026.
The magnitude 1.7 event occurred 5 km (3 miles) SW of Ridgemark, CA.
The hypocentral depth is 6 km ( 4 miles).
| Magnitude | 1.7 - duration magnitude (Md) |
| Time | Saturday, July 4, 2026 at 4:40:15 PM (PDT) Saturday, July 4, 2026 at 23:40:15 (UTC) |
| Distance from |
Ridgemark, CA - 5 km (3 miles) SW (225 degrees) Hollister, CA - 7 km (5 miles) S (185 degrees) San Juan Bautista, CA - 14 km (9 miles) ESE (122 degrees) Prunedale, CA - 24 km (15 miles) E (89 degrees) Salinas, CA - 24 km (15 miles) ENE (63 degrees) |
| Coordinates | 36 deg. 46.8 min. N (36.780N), 121 deg. 24.3 min. W (121.406W) |
| Depth | 6.50 km (4.00 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=19, Nph=18, Dmin=4.1 km, Rmss=0.09 sec, Erho=0.31 km, Erzz=0.550000012 km, Gp=69 degrees |
| Event ID# | nc75389641 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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