Location: 72 km SW of Yonakuni, Japan Period: 20 Apr 2015 01:42:58 - 20 Apr 2015 12:23:09 (10 hours 40 minutes) Volcanoes in 100km radius: None Earthquakes: 5 6 swarms found nearby. 2004 PS20041108.1(58.9km) 8 Nov 4 hours 5 earthquakes 2018 PS20180206.1(77.6km) 6 Feb 23 hours 7 earthquakes 2024 PS20240403.1(74.5km) 2 Apr 2 hours 21 earthquakes S20240403.1(68.6km) 3 Apr 5 days 4 hours 102 earthquakes PS20240422.1(90.1km) 22 Apr 17 hours 27 earthquakes S20240422.1(81.0km) 22 Apr 2 days 23 hours 84 earthquakes