Updates approximately at the center of new Zealand’s Northern Island, Mt Ngauruhoe is new Zealand’s newest volcano and something of one’s very effective (Figures 1 and you will dos). This isn’t as well advertised as the huge personal neighbour MT Ruapehu, that has erupted briefly once or twice over the last 5 years.

However, Mt Ngauruhoe was an imposing, nearly primary cone you to definitely goes up more 1,000 yards (step three,three hundred feet) over the close landscaping so you’re able to an elevation regarding 2,291 meters (eight,500 ft) above water level1 (Profile step 3). Eruptions off a main eight hundred m (step 1,3 hundred foot) broad crater provides developed the fresh cone’s steep (33°) external mountains.

Mt Ngauruhoe is thought getting been productive for at least 2,500 age, along with 70 eruptive episodes since the 1839, when Eu settlers earliest registered a vapor emergence.2 Definitely, prior to you to definitely, this new Maoris seen many eruptions on the hill. (suite…)