Niuafo'ou Plate
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The Niuafo'ou Plate lies in the Pacific Ocean West of the Tonga Plate. The volcanic island Niuafo’ou is probably 1 million year old.

The Niuafo'ou (micro)plate is separated from the Australian Plate along the Peggy Ridge-Lau Extensional Transform Zone-Central Lau Spreading Center and from the Tongan Plate along the Fonualei Rift and Spreading Center.

Niuafo'ou ("Tin Can Island") is a low, 8-km-wide island that forms the summit of a largely submerged basaltic shield volcano. Niuafo'ou is an isolated volcanic island in the north central Lau Basin about 170 km west of the northern end of the Tofua volcanic arc. The circular island encloses a 5-km-wide caldera that is mostly filled by a lake whose bottom extends to below sea level.

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