Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:13:27 AM (PDT) on Monday, September 13, 2021.
The magnitude 1.4 event occurred 19 km (12 miles) ESE of Yosemite Valley, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.4 - duration magnitude (Md)
Time Monday, September 13, 2021 at 8:13:27 AM (PDT)
Monday, September 13, 2021 at 15:13:27 (UTC)
Distance from Yosemite Valley, CA - 19 km (12 miles) ESE (122 degrees)
Mammoth Lakes, CA - 37 km (23 miles) W (272 degrees)
Oakhurst, CA - 42 km (26 miles) NNE (32 degrees)
Ahwahnee, CA - 43 km (27 miles) NE (43 degrees)
Midpines, CA - 48 km (30 miles) ENE (76 degrees)
Coordinates 37 deg. 38.9 min. N (37.649N), 119 deg. 23.7 min. W (119.395W)
Depth 6.42 km (4.0 miles)
Quality Fair
Location Quality Parameters Nst=17, Nph=21, Dmin=27.9 km, Rmss=0.17 sec, Erho=0.55 km, Erzz=5.5 km, Gp=79 degrees
Event ID# nc73624431
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For more information, see https://earthquake.usgs.gov

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