Quake among New Zealand's worst
Updated
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The 6.3-magnitude earthquake that devastated Christchurch today is among the most serious to hit New Zealand since records began.
The quake struck at 12:51pm (local time) at a depth of four kilometres and according to the US Geological Survey was centred five kilometres north-west of Christchurch. It was followed by several strong aftershocks measuring up to 5.6 in strength.
New Zealand sits on the Ring of Fire - the boundary of the Australian and Pacific tectonic plates - and experiences up to 15,000 tremors a year. It averages at least one quake a day of magnitude 4.0 or stronger.
Historic recorded earthquakes in the country are:
8.2 - January 23, 1855 - Centred in the lower North Island and the most severe quake in New Zealand since European colonisation began in 1840. Believed to have killed seven to nine people.
7.8 - July 16, 2009 - A depth of just 12 kilometres in the remote Fiordland region. No casualties reported.
7.8 - February 3, 1931 - Centred in the Hawke's Bay. Claimed 256 lives in the most damaging of any recorded New Zealand quake.
7.8 - June 17, 1929 - In the Buller region on the West Coast of the South island. Fifteen people believed killed.
7.8 - October 16, 1848 - Marlborough region.
7.6 - March 5, 1934 - Pahiatua in the lower North Island.
7.2 - June 24, 1942 - In Wairarapa, lower North Island.
7.1 - May 24, 1968 - At Inangahua on West Coast of South Island. Killed three.
7.1 - September 1, 1888 - North Canterbury.
7.0 - September 4, 2010 - Christchurch. Widespread damage but no deaths.
6.3 - February 22, 2011 - Christchurch. Multiple fatalities and extensive damage.
Historic USGS Moment Tensor Solutions
Magnitude 6.3 SOUTH ISLAND OF NEW ZEALAND
Monday, February 21, 2011 at 23:51:43 UTC
The most recent (20 or less) USGS Moment Tensor Solutions are shown.
Data from the Source Parameter Database.
Data from the Source Parameter Database.
És igen. De még mennyire, hogy nem bottal... (Még jó, hogy kihalásztam, mert azóta visszavonták a cikkből, ahogyan a twitteren sem volt található már reggel sem.)
