Location: 242 km E of Namie, Japan Period: 15 Mar 2011 03:21:35 - 16 Mar 2011 20:44:41 (1 day 17 hours 23 minutes) Volcanoes in 100km radius: None Earthquakes: 6 7 swarms found nearby. 2011 PS20110311.6(92.3km) 11 Mar 2 days 8 hours 50 earthquakes PS20110312.1(70.6km) 11 Mar 1 day 3 hours 8 earthquakes PS20110322.2(71.4km) 21 Mar 18 hours 5 earthquakes PS20110325.1(37.8km) 24 Mar 20 hours 6 earthquakes 2012 PS20121207.1(39.9km) 7 Dec 14 hours 10 earthquakes S20121207.1(41.7km) 7 Dec 1 day 20 hours 39 earthquakes 2013 PS20131025.1(90.2km) 25 Oct 4 hours 6 earthquakes