Story: Volcanoes

Gas sampling

Scientists Marshall Muller and Cindy Werner collect a sample of gases from a sulphur-encrusted fumarole on Whakaari (White Island).

Using this item

GNS Science

Reference: CN44128/15

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

Richard Smith, David J. Lowe and Ian Wright, Volcanoes – Monitoring active volcanoes, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/photograph/8736/gas-sampling (accessed 4 June 2026).

Story by Richard Smith, David J. Lowe and Ian Wright, published 2 March 2009.