Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

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


Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 7:20:05 PM (PDT) on Sunday, September 12, 2021.
The magnitude 2.4 event occurred 38 km (24 miles) SSW of Ferndale, CA.
The hypocentral depth is 18 km (11 miles).


Magnitude 2.4 - duration magnitude (Md)
Time Sunday, September 12, 2021 at 7:20:05 PM (PDT)
Monday, September 13, 2021 at 2:20:05 (UTC)
Distance from Ferndale, CA - 38 km (24 miles) SSW (209 degrees)
Rio Dell, CA - 40 km (25 miles) SW (232 degrees)
Hydesville, CA - 44 km (28 miles) SW (227 degrees)
Fortuna, CA - 45 km (28 miles) SW (218 degrees)
Humboldt Hill, CA - 56 km (35 miles) SSW (206 degrees)
Coordinates 40 deg. 16.5 min. N (40.276N), 124 deg. 28.9 min. W (124.482W)
Depth 17.88 km (11.1 miles)
Quality Poor
Location Quality Parameters Nst=8, Nph=8, Dmin=17.6 km, Rmss=0.04 sec, Erho=2.85 km, Erzz=0.75 km, Gp=295 degrees
Event ID# nc73624221
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