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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 2:45:34 PM (PDT) on Monday, September 9, 2019.
The magnitude 1.8 event occurred 3 km (2 miles) WSW of Holtville, CA.
The hypocentral depth is 10 km ( 6 miles).



Magnitude 1.8 - local magnitude (Ml)
Time Monday, September 9, 2019 at 2:45:34 PM (PDT)
Monday, September 9, 2019 at 21:45:34 (UTC)
Distance from Holtville, CA - 3 km (2 miles) WSW (248 degrees)
El Centro, CA - 13 km (8 miles) E (84 degrees)
Heber, CA - 13 km (8 miles) NE (55 degrees)
Imperial, CA - 15 km (10 miles) ESE (110 degrees)
Calexico, CA - 16 km (10 miles) NNE (30 degrees)
Coordinates 32 deg. 48.0 min. N (32.800N), 115 deg. 24.9 min. W (115.415W)
Depth 10.5 km (6.5 miles)
Quality Good
Location Quality Parameters Nst=23, Nph=40, Dmin=3.1 km, Rmss=0.26 sec, Erho=0.43 km, Erzz=0.51 km, Gp=74 degrees
Event ID# ci38822615
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