Mount Tarawera, located 24 km SE of Rotorua, is the main vent of the Okataina volcanic complex. Tarawera produced one of New Zealand's largest historic eruptions in 1886, when a violent explosive basaltic eruption occurred that killed an estimated 120 people. The fissures that opened up run for about 17 kilometres northeast-southwest.
Intraplate volcanism: A third tectonic setting where volcanism occurs is believed to be the result of mantle plumes and not directly related to plate boundaries. So called hot spot volcanoes fall into this category.
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