Location: 277 km SE of Katsuura, Japan Period: 26 Jul 2005 05:14:37 - 28 Jul 2005 01:02:09 (1 day 19 hours 47 minutes) Volcanoes in 100km radius: None Earthquakes: 17 3 swarms found nearby. 2005 S20050727.1(4.1km) 27 Jul 1 day 15 hours 25 earthquakes PS20050729.1(4.8km) 29 Jul 16 hours 6 earthquakes 2022 PS20220804.1(83.6km) 4 Aug 14 hours 9 earthquakes