Location: 146 km ESE of ?funato, Japan Period: 9 Mar 2011 02:45:20 - 16 Mar 2011 14:46:11 (7 days 12 hours) Volcanoes in 100km radius: None Earthquakes: 159 6 swarms found nearby. 2011 PS20110311.3(33.4km) 11 Mar 1 day 17 hours 44 earthquakes PS20110311.8(73.9km) 11 Mar 9 hours 5 earthquakes 2016 PS20161121.1(93.5km) 21 Nov 20 hours 11 earthquakes S20161122.1(90.8km) 21 Nov 2 days 0 hours 42 earthquakes 2021 S20210214.1(53.0km) 13 Feb 3 days 9 hours 49 earthquakes 2022 PS20220316.1(38.4km) 16 Mar 1 hours 7 earthquakes