The Taupo Volcano is a supervolcano in New Zealand. Its caldera, which is filled with a large body of water, is named Lake Taupo. This supervolcano is the cause of two of the most violent volcanic eruptions in recent times. These eruptions ranked high on the Volcanic Explosivity Index, with the Oruanui eruption ranking at an 8, and the Hatepe eruption ranking at an 7.