Location: 15 km ESE of Kaiapoi, New Zealand Period: 23 Dec 2011 00:58:38 - 23 Dec 2011 02:47:57 (1 hour 49 minutes) Volcanoes in 100km radius: None Earthquakes: 5 4 swarms found nearby. 2010 PS20100904.1(66.2km) 3 Sep 12 hours 5 earthquakes S20100904.1(34.1km) 3 Sep 2 days 18 hours 47 earthquakes 2011 S20110222.1(16.5km) 21 Feb 2 days 16 hours 48 earthquakes S20111223.1(4.1km) 23 Dec 1 day 6 hours 25 earthquakes