Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 11:10:05 AM (PDT) on Sunday, September 12, 2021.
The magnitude 1.9 event occurred 17 km (11 miles) WNW of Progreso, B.C., MX.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 1.9 - local magnitude (Ml)
Time Sunday, September 12, 2021 at 11:10:05 AM (PDT)
Sunday, September 12, 2021 at 18:10:05 (UTC)
Distance from Progreso, B.C., MX - 17 km (11 miles) WNW (291 degrees)
Heber, CA - 24 km (15 miles) WSW (243 degrees)
Ocotillo, CA - 25 km (15 miles) ESE (117 degrees)
Calexico, CA - 25 km (15 miles) WSW (258 degrees)
El Centro, CA - 25 km (16 miles) SW (227 degrees)
Coordinates 32 deg. 38.1 min. N (32.635N), 115 deg. 45.4 min. W (115.756W)
Depth 10 km (6.2 miles)
Quality Good
Location Quality Parameters Nst=38, Nph=67, Dmin=3.2 km, Rmss=0.22 sec, Erho=0.29 km, Erzz=0.4 km, Gp=115 degrees
Event ID# ci39806647
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