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 5:29:02 AM (PDT) on Sunday, April 4, 2021.
The magnitude 1.6 event occurred 6 km (4 miles) E (81 degrees) of Redding, CA.
The hypocentral depth is 15 km ( 9 miles).


Magnitude 1.6 - duration magnitude (Md)
Time Sunday, April 4, 2021 at 5:29:02 AM (PDT)
Sunday, April 4, 2021 at 12:29:02 (UTC)
Distance from Redding, CA - 6 km (4 miles) E (81 degrees)
Palo Cedro, CA - 6 km (4 miles) WNW (293 degrees)
Bella Vista, CA - 9 km (5 miles) SW (223 degrees)
Central Valley (historical), CA - 12 km (8 miles) SSE (151 degrees)
Shasta Lake, CA - 12 km (8 miles) SSE (152 degrees)
Coordinates 40 deg. 35.1 min. N (40.584N), 122 deg. 18.1 min. W (122.302W)
Depth 14.96 km (9.3 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=12, Dmin=6.9 km, Rmss=0.1 sec, Erho=0.41 km, Erzz=0.58 km, Gp=102 degrees
Event ID# nc73545465
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For more information, see https://earthquake.usgs.gov

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