Supply Reef

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Supply Reef
Elevation -8 m (-26 ft)
Location Northern Mariana Islands, USA
Coordinates 20°08′N, 145°6′E
Type Submarine volcano
Last eruption 1989

Supply Reef is a submerged circular reef of volcanic origin in the Northern Mariana Islands chain, about 10 kilometres (6 mi) NW of the Maug Islands. Presently this igneous seamount is roughly 8 metres (26 ft) below the ocean's surface and about 100 m (300 ft) in diameter.


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