Location: 58 km ENE of Namie, Japan Period: 11 Mar 2011 05:54:31 - 12 Mar 2011 03:34:43 (21 hours 40 minutes) Volcanoes in 100km radius: None Earthquakes: 21 7 swarms found nearby. 2008 PS20080507.1(88.7km) 7 May 17 hours 11 earthquakes 2011 PS20110311.4(72.8km) 11 Mar 8 hours 57 earthquakes PS20110311.5(62.8km) 11 Mar 7 hours 10 earthquakes PS20110313.1(64.9km) 13 Mar 3 days 13 hours 14 earthquakes PS20110317.1(60.4km) 16 Mar 1 day 16 hours 10 earthquakes PS20110322.1(62.4km) 22 Mar 2 days 5 hours 14 earthquakes 2016 PS20160923.1(88.7km) 22 Sep 18 hours 8 earthquakes