Location: 168 km ENE of Miyako, Japan Period: 20 Aug 2016 05:14:57 - 21 Aug 2016 12:49:13 (1 day 7 hours 34 minutes) Volcanoes in 100km radius: None Earthquakes: 6 3 swarms found nearby. 2011 PS20110315.1(51.7km) 14 Mar 1 day 10 hours 6 earthquakes PS20110916.1(76.1km) 16 Sep 1 day 11 hours 10 earthquakes 2026 PS20260420.1(86.8km) 20 Apr 21 hours 9 earthquakes