Location: 290 km SE of Katsuura, Japan Period: 27 Jul 2005 02:30:14 - 28 Jul 2005 18:13:07 (1 day 15 hours 42 minutes) Volcanoes in 100km radius: None Earthquakes: 25 3 swarms found nearby. 2005 PS20050726.1(4.1km) 26 Jul 1 day 19 hours 17 earthquakes PS20050729.1(5.4km) 29 Jul 16 hours 6 earthquakes 2022 PS20220804.1(84.3km) 4 Aug 14 hours 9 earthquakes