Magnitude ML 4.0 Region BIO-BIO, CHILE Date time 2015-04-01 23:00:12.0 UTC Location 36.50 S ; 71.49 W Depth 100 km Distances 346 km S of Santiago, Chile / pop: 4,837,295 / local time: 20:00:12.0 2015-04-01 119 km S of Talca, Chile / pop: 197,479 / local time: 20:00:12.0 2015-04-01 33 km NE of Coihueco, Chile / pop: 7,346 / local time: 20:00:12.0 2015-04-01 Source parameters provided by: Magnitude ML 3.0 Region ANTOFAGASTA, CHILE Date time 2015-04-02 03:16:11.0 UTC Location 21.12 S ; 68.61 W Depth 130 km Distances 419 km SW of Sucre, Bolivia / pop: 224,838 / local time: 23:16:11.0 2015-04-01 188 km SE of Iquique, Chile / pop: 227,499 / local time: 00:16:11.0 2015-04-02 153 km N of Calama, Chile / pop: 143,084 / local time: 00:16:11.0 2015-04-02 Source parameters provided by: Magnitude ML 3.7 Region TARAPACA, CHILE Date time 2015-04-02 00:59:04.0 UTC Location 21.16 S ; 70.02 W Depth 53 km Distances 550 km SW of Sucre, Bolivia / pop: