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Story: Historic volcanic activity

Lahar from Ruapehu

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Lahar from Ruapehu

In late September 1995, explosive eruptions spread mud and water from the crater lake of Ruapehu around the summit, and caused lahars down the valleys. This photograph, taken on 24 September 1995, shows an eruption underway, with mud from an earlier eruption covering the snow around the crater.

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GNS Science

Reference: CN37375/11

by Lloyd Homer

Permission of GNS Science must be obtained before any use of this image.

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How to cite this page

Eileen McSaveney, Carol Stewart and Graham Leonard, Historic volcanic activity – Ruapehu since 1945, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/6877/lahar-from-ruapehu (accessed 4 June 2026).

Story by Eileen McSaveney, Carol Stewart and Graham Leonard, published 2 March 2009.