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EARTHQUAKES

Mark Bascand from Glacier Explorers  shows astounded passengers one of the many icebergs that calved into Tasman Lake today as a result of the earthquake Mark Bascand from Glacier Explorers shows astounded passengers one of the many icebergs that calved into Tasman Lake today as a result of the earthquake CREDIT: Glacier Explorers
Gerry Lemon Glacier Explorers guide explaining to passengers the dynamics of the newly arrived iceberg Gerry Lemon Glacier Explorers guide explaining to passengers the dynamics of the newly arrived iceberg CREDIT: Glacier Explorers

Earthquake causes Terminal Face Collapse at Aoraki Mount Cook National Park

Tuesday 22 February 2011, 7:31PM
By Glacier Explorers, Aoraki Mount Cook
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AORAKI/MOUNT COOK

See our New Zealand Earthquakes page for ongoing updates - infonews.co.nz

Also by Glacier Explorers: Glacier surge at Aoraki Mount Cook National Park 

Passengers aboard two Glacier Explorer boats encountered numerous waves of up to 3.5 metres as around 30 million tonnes of ice collapsed into the Tasman Glacier’s Terminal Lake following today’s major earthquake.

General Manager Tourism for Aoraki Mount Cook Alpine Village Ltd, Denis Callesen, said the quake caused a major calving from the Basal and Terminal Face of the Glacier and that subsequent waves over the next 30 minutes caused the huge icebergs in the lake to roll, in turn causing more disturbance.

“We have procedures to deal with this type of event and for some time have stayed 800 metres away from the Terminal Face as we suspected it was becoming unstable,” he said.

The calving was the third biggest event in the history of the Terminal Lake, which is now over six kilometres long and two kilomtres wide in places, following a huge calving last July.

Mr Callesen said this was the first quake felt at the Aoraki Mt Cook Village since the major quake last September.