Location: 91 km SSE of Atka, Alaska Period: 12 Mar 2016 02:39:21 - 14 Mar 2016 07:28:05 (2 days 4 hours 48 minutes) Volcanoes in 100km radius: None Earthquakes: 52 6 swarms found nearby. 2008 PS20081031.1(29.7km) 31 Oct 1 day 9 hours 6 earthquakes 2013 PS20130831.1(68.1km) 31 Aug 15 hours 5 earthquakes PS20130904.2(43.0km) 4 Sep 1 day 7 hours 11 earthquakes 2015 PS20150905.1(24.8km) 4 Sep 18 hours 5 earthquakes PS20151102.1(55.8km) 2 Nov 15 minutes 5 earthquakes 2016 PS20160319.1(19.0km) 18 Mar 15 hours 5 earthquakes