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NZ hit by fifth quake in four days

Breaking Seismic News: New Zealand

Jan 23, 2007
The fifth earthquake in four days has hit the east coast of New Zealand's North Island.
Four earthquakes had occurred since Saturday, all between four and 4.3 on the Richter scale, and located 30km east of Ruatoria at a depth of 12km.
Another quake measuring 4.1 hit the same spot at 6.33am on Tuesday.
GNS Science seismologist Martin Reyners said the earthquakes had been centred offshore and would have been felt locally.


One of the world's major faultlines, visible from space and even obvious as a relatively straight line on a topographic map, it runs for about 650km from the Wairau River valley through the central upper South Island, down the western side of the Southern Alps and finally out to sea near the entrance of Milford Sound.
The fault is actually a 20km-deep split in the Earth's crust which extends all the way down to the mantle, the second layer of the planet's interior which is made up of molten rock. Photo Above: Damage from an earthquake on the Alpine Fault will be much worse than this in Arthur's Pass in 1994.
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