Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:23:34 PM (PDT) on Wednesday, July 19, 2023.
The magnitude 0.7 event occurred 22 km (14 miles) SE of Mammoth Lakes, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 0.7 - duration magnitude (Md)
Time Wednesday, July 19, 2023 at 8:23:34 PM (PDT)
Thursday, July 20, 2023 at 3:23:34 (UTC)
Distance from Mammoth Lakes, CA - 22 km (14 miles) SE (145 degrees)
West Bishop, CA - 36 km (22 miles) WNW (290 degrees)
Dixon Lane-Meadow Creek, CA - 38 km (24 miles) WNW (285 degrees)
Bishop, CA - 41 km (25 miles) WNW (287 degrees)
Big Pine, CA - 59 km (37 miles) NW (305 degrees)
Coordinates 37 deg. 28.3 min. N (37.472N), 118 deg. 50.1 min. W (118.835W)
Depth 4.5 km (2.8 miles)
Quality Good
Location Quality Parameters Nst=20, Nph=22, Dmin=13.0 km, Rmss=0.07 sec, Erho=0.53 km, Erzz=1.4 km, Gp=172 degrees
Event ID# nc73914791
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For more information, see https://earthquake.usgs.gov

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