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== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, 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 3:46:42 PM (PDT) on Monday, September 9, 2019.
The magnitude 1.8 event occurred 10 km (6 miles) W of Progreso, B.C., MX.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 1.8 - local magnitude (Ml)
Time Monday, September 9, 2019 at 3:46:42 PM (PDT)
Monday, September 9, 2019 at 22:46:42 (UTC)
Distance from Progreso, B.C., MX - 10 km (6 miles) W (272 degrees)
Calexico, CA - 21 km (13 miles) WSW (240 degrees)
Heber, CA - 23 km (14 miles) SW (223 degrees)
Mexicali, B.C., MX - 23 km (14 miles) WSW (250 degrees)
El Centro, CA - 26 km (16 miles) SSW (209 degrees)
Coordinates 32 deg. 35.0 min. N (32.583N), 115 deg. 41.7 min. W (115.694W)
Depth 10.16 km (6.3 miles)
Quality Good
Location Quality Parameters Nst=28, Nph=50, Dmin=8.0 km, Rmss=0.25 sec, Erho=0.41 km, Erzz=0.63 km, Gp=131 degrees
Event ID# ci38822703
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