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 2:15:14 AM (PDT) on Tuesday, July 15, 2025.
The magnitude 1.1 event occurred 10 km (6 miles) SE of Ridgemark, CA.
The hypocentral depth is 8 km ( 5 miles).
| Magnitude | 1.1 - duration magnitude (Md) |
| Time | Tuesday, July 15, 2025 at 2:15:14 AM (PDT) Tuesday, July 15, 2025 at 9:15:14 (UTC) |
| Distance from |
Ridgemark, CA - 10 km (6 miles) SE (127 degrees) Hollister, CA - 15 km (9 miles) SE (132 degrees) San Juan Bautista, CA - 25 km (16 miles) ESE (113 degrees) Chualar, CA - 30 km (19 miles) NE (46 degrees) Gonzales, CA - 32 km (20 miles) NNE (29 degrees) |
| Coordinates | 36 deg. 45.4 min. N (36.757N), 121 deg. 16.5 min. W (121.274W) |
| Depth | 8.06 km (5.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=8, Nph=7, Dmin=3.9 km, Rmss=0.08 sec, Erho=0.54 km, Erzz=1.72000003 km, Gp=165 degrees |
| Event ID# | nc75210127 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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