Magnitude 4.3 Earthquake of ANTOFAGASTA, CHILE 2013 April 18

2013 April 18 22:38:40 UTC : ANTOFAGASTA, CHILE EARTHQUAKE

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Magnitude: 4.3

Date-Time: Thursday, April 18, 2013 at 22:38:40 UTC

Thursday, April 18, 2013 at 06:38:40 PM at epicenter

Earthquake data:

Location : 21.804°S, 68.255°W

Depth : 106.6 km (66.2 miles)

Region : ANTOFAGASTA, CHILE

Distances:

a) 102 km (63 miles) NE of Calama, Chile

b) 203 km (126 miles) E of Tocopilla, Chile

c) 209 km (129 miles) SW of Uyuni, Bolivia

c) 215 km (133 miles) SW of Colchani, Bolivia

Location Uncertainty: horizontal +/- 16.7 km (10.4 miles); depth +/- 8.2 km (5.1 miles)

Parameters: NST= 32, Nph= 32, Dmin=112.4 km, Rmss=1.4 sec, Gp= 50°, M-type=body wave magnitude (Mb), Version=5