Location: Bonin Islands, Japan region Period: 21 Dec 2010 17:45:57 - 26 Dec 2010 16:10:54 (4 days 22 hours 24 minutes) Volcanoes in 100km radius: None Earthquakes: 86 3 swarms found nearby. 2010 PS20101221.1(36.3km) 21 Dec 1 day 21 hours 52 earthquakes PS20101225.2(29.1km) 24 Dec 1 day 15 hours 8 earthquakes 2011 PS20110124.1(81.4km) 23 Jan 14 hours 5 earthquakes