Story: Tephra layers – a record of past eruptions

How to cite this page

Richard Smith, David J. Lowe and Ian Wright, Volcanoes – Tephra layers – a record of past eruptions, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/en/story/12518/media (accessed 11 June 2026).

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