Location: 293 km S of ‘Ohonua, Tonga Period: 19 Mar 2009 18:17:40 - 21 Mar 2009 17:38:39 (1 day 23 hours 20 minutes) Volcanoes in 100km radius: None Earthquakes: 10 8 swarms found nearby. 2001 PS20011009.1(40.0km) 9 Oct 2 hours 5 earthquakes 2006 PS20061009.1(22.3km) 8 Oct 10 hours 5 earthquakes 2010 PS20100222.1(74.2km) 22 Feb 23 hours 6 earthquakes 2011 PS20110630.1(71.4km) 30 Jun 9 hours 5 earthquakes 2014 PS20140313.1(27.6km) 12 Mar 10 hours 6 earthquakes 2017 PS20171016.1(57.7km) 16 Oct 17 hours 7 earthquakes 2023 PS20230616.1(73.3km) 16 Jun 2 days 9 hours 20 earthquakes PS20230625.1(89.8km) 25 Jun 7 hours 5 earthquakes