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Posts Tagged ‘Tasman Glacier’

Tasman Glacier Ice Break – Satellite Image

Posted by feww on March 4, 2011

New Zealand Earthquake Shakes Ice from Tasman Glacier

The New Zealand earthquake which struck Christchurch  on February 22, 2011, also broke a 27 million ton chunk of ice off the Tasman Glacier. A false-color image of the glacier and surrounding area taken by ASTER on NASA’s Terra satellite on March 2, shows the calved iceberg, which broke into smaller pieces as it fell into the water, at the far end of the lake. Plant-covered land is red. The dirt-covered glacier is dark brown, ditto the exposed rocks. White shows the snow on the mountain tops to the west; the river and lake are silver. Source: NASA-EO. Click image to enlarge.

State of New Zealand Glaciers

Owing to human-induced climate change, triggered by destructive activities like tourism, intensive industrial farming… , Tasman Glacier, New Zealand’s longest glacier, is retreating by about 1 meter per day.

New Zealand’s Southern Alps Glaciers have lost about 15 percent of their volume in the last three decades.

Glaciers in the New Zealand Alps, showing major retreat between 1990 to 2000.  Whereas Tasman Glacier had no terminal lake in 1973,  by 2008 it formed the Tasman Lake measuring 7 km long, 2 km wide and more than 250m deep. Images by NASA.

New Zealand Earthquake Update

“Up to 100 of the victims could be from as many as 20 countries. The collapsed Canterbury TV building contained dozens of foreign language students at the private training school King’s Education.” Source

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NZ quakes calve a 27-million ton iceberg

Posted by feww on February 23, 2011

Christchurch quakes calve a 27-million ton chunk of ice from Tasman Glacier

The iceberg measured 1,200m long, 300m high and 75m wide; it broke off the face of Tasman Glacier, in Aoraki/Mount Cook National Park, and plunged into Tasman Lake shortly after the earthquake struck Christchurch yesterday, local reports say.

The large icebergs reportedly broke up upon impact with water, forming several smaller chunks of ice, with the largest measuring about 250m long.

The event created tsunamis up to 3.5m high. Some 16 tourists and two guides out on an “adventure tour” were lucky to escape unhurt.

A 27-million ton iceberg calved from Tasman Glacier after Tuesday’s earthquake and plunged into the Tasman Lake, 200km (124 miles) southeast of Christchurch. Image credit: Reuters/Denis Callesen/Handout

The iceberg is said to be the third largest calving to have occurred in the Tasman Lake since 1970.Image credit as above.

New Zealand Earthquake Update

  • The authorities have raised the death toll to at least 75, with 20 bodies unidentified, some believed to be foreign tourists.
  • More than 300 people are said to be missing.

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