Magnitude ML 4.0 Region OFFSHORE BIO-BIO, CHILE Date time 2015-04-01 04:35:33.0 UTC Location 36.06 S ; 73.73 W Depth 30 km Distances 404 km SW of Santiago, Chile / pop: 4,837,295 / local time: 01:35:33.0 2015-04-01 105 km NW of Concepción, Chile / pop: 215,413 / local time: 01:35:33.0 2015-04-01 91 km NW of Talcahuano, Chile / pop: 252,968 / local time: 01:35:33.0 2015-04-01 Source parameters provided by Magnitude ML 3.4 Region OFFSHORE BIO-BIO, CHILE Date time 2015-04-01 04:54:02.0 UTC Location 36.00 S ; 73.58 W Depth 15 km Distances 389 km SW of Santiago, Chile / pop: 4,837,295 / local time: 01:54:02.0 2015-04-01 103 km NW of Concepción, Chile / pop: 215,413 / local time: 01:54:02.0 2015-04-01 89 km NW of Tomé, Chile / pop: 46,698 / local time: 01:54:02.0 2015-04-01 Source parameters provided by: Magnitude ML 3.0 Region ATACAMA, CHILE Date time 2015-04-01 05:10:06.0 UTC Location 28.53 S ; 70.47 W Depth 60 km Distances 547 km N of Santiago, Chile /