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Originally posted by Aloysius the Gaul
Haven't heard anything yet about any waves - Wellington will get washed into the harbouor if there's a really biig one..... was only jolted by 1 earthquake last night at 2.20 am (it woke me) and that was the only 1 around Wellington - dunno where you got 3 from, and New Zealand was the last current country on earth inhabited by human beings - Maori arrived some time from about 800-1300 AD - everywhere else that is currently a country had ppl before then.
Originally posted by bluemirage5
reply to post by jungrrl
You are correct in fact there were two civilizations in NZ long before the Maori.
The Mori Ori; and before them a "Nordic" looking people.
It is published in the journal Nature dated 3 March 2011. A magma chamber is a large reservoir of molten rock (magma) located several kilometers beneath a volcano, which it feeds with magma. But what happens to the magma chamber when the volcano is not erupting? According to volcanologists, it cools down to an extremely viscous mush until fresh magma from deep inside Earth 'reawakens' it, in other words fluidizes it by heating it through thermal contact. The large size of magma chambers (ranging from a few tenths to a few hundred cubic kilometers) explains why, according to this theory, it takes several hundred or even thousand years for the heat to spread to the whole reservoir, awakening the volcano from its dormant state.
However, according to the mathematical model developed by Burgisser and his US colleague, reheating takes place in three stages. When fresh hot magma rises from below and arrives beneath the chamber, it melts the viscous magma at the base of the reservoir. This freshly molten magma therefore becomes less dense and starts to rise through the chamber, forcing the rest of the viscous mush to mix. It is this mixing process that enables the heat to spread through the chamber a hundred times faster than volcanologists had predicted. Depending on the size of the chamber and the viscosity of the magma it contains, a few months may be sufficient to rekindle its activity.
Originally posted by bluemirage5
reply to post by Noinden
What a load of rubbish...the Mori Ori WERE very much a past civilization of NZ and if you want more details of the "Nordic" people....there's a thread elsewhere on ATS about them.....if you can't find it then go to Dannivirke in the North Island where they found a grave of some.