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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) | Reports
Sofugan volcano books
Typical eruption style: unknown
Sofugan volcano eruptions: possible activity in 1975
TimeMag. / DepthDistanceLocation
Tue, 9 Jan
Tue, 9 Jan 17:50 UTCM 4.7 / 46.4 km20 km- Izu Islands, Japan region
Fri, 5 Jan
Fri, 5 Jan 03:53 UTCM 4.6 / 57.4 km36 km- Izu Islands, Japan region
Wed, 3 Jan
Wed, 3 Jan 21:32 UTCM 5.1 / 25.1 km30 km- Izu Islands, Japan region
Tue, 2 Jan
Tue, 2 Jan 23:17 UTCM 4.6 / 10 km29 km- Izu Islands, Japan region
View all recent quakes
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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