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 2:52:50 AM (PDT) on Sunday, April 4, 2021.
The magnitude 1.5 event occurred 12 km (7 miles) W of Shingletown, CA.
The hypocentral depth is 17 km (11 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Sunday, April 4, 2021 at 2:52:50 AM (PDT)
Sunday, April 4, 2021 at 9:52:50 (UTC)
Distance from Shingletown, CA - 12 km (7 miles) W (267 degrees)
Palo Cedro, CA - 20 km (12 miles) ESE (116 degrees)
Anderson, CA - 23 km (14 miles) E (79 degrees)
Bella Vista, CA - 24 km (15 miles) SE (135 degrees)
Redding, CA - 31 km (19 miles) ESE (109 degrees)
Coordinates 40 deg. 29.2 min. N (40.487N), 122 deg. 1.7 min. W (122.029W)
Depth 17.23 km (10.7 miles)
Quality Good
Location Quality Parameters Nst=13, Nph=15, Dmin=10.6 km, Rmss=0.08 sec, Erho=0.39 km, Erzz=1.05 km, Gp=91 degrees
Event ID# nc73545450
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For more information, see https://earthquake.usgs.gov

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