Story: Volcanoes All images & media From page 1 – What is a volcano? Volcano types 1954 Ngāuruhoe eruption Types of magma Extinct volcanoes, Banks Peninsula (1st of 2) Tokatoka (2nd of 2) Ash plume, Mt Ruapehu 1996 (1st of 2) Volcanic ash (2nd of 2) Explosive eruption, Mt Ruapehu From page 2 – Pacific Ring of Fire The Pacific Ring of Fire (1st of 2) The Andesite Line (2nd of 2) Subduction under the North Island Submarine volcanoes, Kermadec Ridge Mayor Island Obsidian knife From page 3 – Cone volcanoes and volcanic fields Mt Ngāuruhoe erupting, 1974 (1st of 2) Mt Ngāuruhoe erupting, 1975 (2nd of 2) Mt Ngāuruhoe, 1993 Onshore and offshore volcanoes Taranaki ring plain Early map of Auckland (1st of 2) Mt Eden (2nd of 2) Roadside Stories: Volcano traditions From page 4 – Caldera volcanoes and the Taupō Volcanic Zone Raoul Island caldera Lake Rotorua Volcanic landscape Mt Tarawera Tephras from Mt Tarawera From page 5 – The Taupō volcano Lake Taupō Ōruanui ash (1st of 2) Ash layer, Chatham Islands (2nd of 2) Taupō eruptions Charred logs in Taupō ignimbrite Roadside Stories: Volcanic Lake Taupō From page 6 – The Kermadec Ridge: submarine volcanoes Underwater vents Haungaroa undersea volcano Pillow lavas Macauley caldera (1st of 3) Macauley Island (2nd of 3) Lava Cascade, Macauley Island (3rd of 3) Raoul Island map, 1855 Healy volcano From page 7 – Tephra layers – a record of past eruptions Layers of volcanic ash Ruapehu eruption, July 1996 Alan Pullar and Colin Vucetich, pioneers in tephrostratigraphy Named tephra beds Minerals from Mayor Island Volcanic ash in lakes From page 8 – Monitoring active volcanoes Lahar warning Gas sampling Hazardous volcanoes Volcanic avalanche mounds Tarawera and Edgecumbe (Pūtauaki) Monitoring earthquakes
