Kōrero: Historic volcanic activity

Avalanche (3 o 3)


Thirty seconds after the Mt Ngāuruhoe explosion the ash cloud rises and expands. Some of the heavier material begins to drop, causing fluid pyroclastic flows (glowing avalanches of fragmented rock) that travelled two kilometres down the Mangatepopo valley.

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Photograph by Graham Hancox

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Me pēnei te tohu i te whārangi:

Eileen McSaveney, Carol Stewart and Graham Leonard, 'Historic volcanic activity - Tongariro and Ngāuruhoe', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/photograph/6855/avalanche (accessed 15 October 2019)

Story by Eileen McSaveney, Carol Stewart and Graham Leonard, published 12 Jun 2006