Tui De Roy / Mt Ruapehu eruption 1996, highest volcano on North Island, Ohakune, Tongariro National Park, New Zealand

Tui De Roy / Mount Ngauruhoe at dawn, under steam and ash cloud issuing from Mount Ruapehu eruption. North Island, New Zealand.

Brandon Cole / Woman on top of Mount Ngauruhoe ('Mt. Doom' from the 'Lord of the Rings' movies) looking out Volcanic scenery along the Tongariro Alpine Crossing, with Mount Ruapehu in the distance. North Island, N...

Brandon Cole / Woman on top of Mount Ngauruhoe ('Mt. Doom' from the 'Lord of the Rings' movies) looking out Volcanic scenery along the Tongariro Alpine Crossing, with Mount Ruapehu in the distance. North Island, N...

Tim Edwards / Mt Ruapehu, Tongariro National Park, alpine landscape, New Zealand

Tim Edwards / Mount Ruapehu. Alpine landscape, Tongariro NP, New Zealand

Colin Monteath / Rainbow over Rangipo Desert near Mount Ruapehu, Tongariro National Park, New Zealand

Rob Brown / Mount Tongariro, Mount Ngauruhoe and Mount Ruapehu, Tongariro National Park, New Zealand

Rob Brown / Mount Ngauruhoe and Mount Ruapehu, Tongariro National Park, New Zealand

Rob Brown / Mount Ngauruhoe and Mount Ruapehu, Tongariro National Park, New Zealand

Rob Brown / Mt Ngauruhoe in foreground and Mt Ruapehu behind, Tongariro National Park, New Zealand

Mark Sedon / Skier descending Mt Ruapehu above active Crater Lake, Tongariro National Park, New Zealand

Tui De Roy / Mt Ruapehu eruption 1996, at 2,927 meters, the highest volcano on the North Island, ash explosion of 3rd day of eruption, Tongariro National Park, New Zealand

Tui De Roy / Mt Ruapehu eruption 1996, at 2,927 meters, the highest volcano on the North Island, ash explosion of 3rd day of eruption, Tongariro National Park, New Zealand

Tui De Roy / Mt Ruapehu eruption 1996, at 2,927 meters, the highest volcano on the North Island, ash explosion of 3rd day of eruption, Tongariro National Park, New Zealand

Tui De Roy / Mt Ruapehu eruption 1996, at 2,927 meters, the highest volcano on the North Island, ash explosion of 3rd day of eruption, Tongariro National Park, New Zealand

Mark Jones / Mt Ruapehu time exposure shows lava bomb traces and lightning in swirling ash plume from 1996 eruption, Tongariro National Park, New Zealand

Tui De Roy / Mt Ruapehu eruption 1996, highest volcano on North Island, Hakone, Tongariro National Park, New Zealand

Shaun Barnett / Winter evening on Crater Lake, Mount Ruapehu, Tongariro National Park, New Zealand

Tui De Roy / Mount Ruapehu eruption in 1996, seen from Whakapapa Village, Northwest Slope, Tongariro National Park, New Zealand

Mark Jones / Mt Ruapehu eruption June 1996, dawn on Rangipo Desert as large ash plume drifts over Mt Ngauruhoe, 2291m, Tongariro National Park, New Zealand

Fabian Fopp, BIA / Blue Duck (Hymenolaimus malacorhynchos) male, Mount Ruapehu, Wanganui, North Island, New Zealand