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 6:30:48 PM (PDT) on Sunday, July 16, 2023.
The magnitude 2.4 event occurred 19 km (12 miles) SSE of Ridgemark, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 2.4 - duration magnitude (Md)
Time Sunday, July 16, 2023 at 6:30:48 PM (PDT)
Monday, July 17, 2023 at 1:30:48 (UTC)
Distance from Ridgemark, CA - 19 km (12 miles) SSE (158 degrees)
Gonzales, CA - 22 km (14 miles) NE (40 degrees)
Chualar, CA - 23 km (14 miles) ENE (65 degrees)
Hollister, CA - 23 km (15 miles) SSE (155 degrees)
Soledad, CA - 26 km (16 miles) N (8 degrees)
Coordinates 36 deg. 39.4 min. N (36.656N), 121 deg. 17.3 min. W (121.288W)
Depth 6.6 km (4.1 miles)
Quality Good
Location Quality Parameters Nst=60, Nph=69, Dmin=0.0 km, Rmss=0.08 sec, Erho=0.13 km, Erzz=0.33 km, Gp=104 degrees
Event ID# nc73913781
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