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Metis Shoal volcano

Submarine volcano 43 m / 141 ft
Tonga, Tonga Islands, -19.18°S / -174.87°W
Current status: normal or dormant (1 out of 5) | Reports
Metis Shoal volcano books
Typical eruption style: unspecified
Metis Shoal volcano eruptions: 1995  No recent earthquakes
TimeMag. / DepthDistanceLocation

Background:

Metis Shoal, a submarine volcano midway between the islands of Kao and Late, has produced a series of ephemeral islands since the first confirmed activity in the mid-19th century. An island, perhaps not in eruption, was reported in 1781 and subsequently was eroded away. During periods of inactivity following 20th-century eruptions, waves have been observed to break on rocky reefs or sandy banks with depths of 10 m or less. Dacitic tuff cones formed during the first 20th-century eruptions in 1967 and 1979 were soon eroded beneath the sea surface. An eruption in 1995 produced an island with a diameter of 280 m and a height of 43 m following growth of a lava dome above the surface.
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Smithsonian / GVP volcano information


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