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Sofugan volcano

stratovolcano 99 m / 325 ft
Izu Islands, Japan, 29.79°N / 140.35°E
Current status: dormant (1 out of 5)
Sofugan volcano books
Typical eruption style: unknown
Sofugan volcano eruptions: possible activity in 1975 No recent earthquakes
TimeMag. / DepthDistanceLocation
Sofugan is a steep vertical pinnacle that rises 99 m above the sea surface south of Tori-shima volcano. Its dramatic shape gave it its nickname "Lot's Wife Rocks."
In 1975, discolored sea water was observed about 500 m north of Sofugan, and the volcano was reclassified as active by the Japan Meteorological Agency.

Background:

The basaltic-to-andesitic pinnacle is the remnant of a large eroded stratovolcano 28 km wide at its base and rising 2200 m above the sea floor. A submarine depression is located between the pinnacle and a curved submarine ridge to the SW rising to less than 150 m of the sea surface.


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