Little Barrier Island - Geography

Geography

The island is an extinct andesitic volcanic cone, roughly circular in shape, about 6 km (3.7 mi) across, with an area of 28 kmĀ² (11 milesĀ²). Its earliest volcanic activity is estimated to have occurred 3 million years ago and the latest 1.2 million years ago. The volcano is most closely related to two volcanoes over 120 km (75 mi) northwest, near Whangarei. The island is steeply sloping, and deeply dissected by ravines radiating from a central range that peaks at Mount Hauturu whose altitude is 722 m (2,369 ft) . Te Titoki Point is the only area of flat land on the island.

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