Location: 77 km WNW of Illapel, Chile Period: 16 Sep 2015 23:37:43 - 20 Sep 2015 01:26:23 (3 days 1 hour 48 minutes) Volcanoes in 100km radius: None Earthquakes: 40 6 swarms found nearby. 2006 S20061013.1(12.6km) 12 Oct 3 days 13 hours 50 earthquakes 2007 PS20070329.1(34.2km) 29 Mar 3 hours 6 earthquakes 2015 PS20150916.2(18.6km) 16 Sep 1 day 14 hours 48 earthquakes PS20150917.1(59.4km) 16 Sep 4 hours 8 earthquakes PS20150919.1(89.6km) 19 Sep 1 day 12 hours 10 earthquakes PS20150921.1(20.2km) 21 Sep 1 day 1 hours 7 earthquakes