Location: 94 km ESE of Yamada, Japan Period: 11 Mar 2011 06:06:13 - 12 Mar 2011 23:24:48 (1 day 17 hours 18 minutes) Volcanoes in 100km radius: None Earthquakes: 44 6 swarms found nearby. 2011 PS20110309.1(33.4km) 9 Mar 7 days 12 hours 159 earthquakes PS20110311.8(73.7km) 11 Mar 9 hours 5 earthquakes 2016 PS20161121.1(90.1km) 21 Nov 20 hours 11 earthquakes S20161122.1(79.1km) 21 Nov 2 days 0 hours 42 earthquakes 2021 S20210214.1(42.5km) 13 Feb 3 days 9 hours 49 earthquakes 2022 PS20220316.1(13.8km) 16 Mar 1 hours 7 earthquakes