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Nakano-shima volcano

stratovolcanoes 979 m / 3,212 ft
Ryukyu Islands, Japan, 29.86°N / 129.86°E
Current status: dormant (1 out of 5)
Nakano-shima volcano books
Typical eruption style: explosive
Nakano-shima volcano eruptions: 1949 (uncertain), 1914 (phreatic explosions)
TimeMag. / DepthDistanceLocation
Sun, 16 Jul
Sun, 16 Jul 00:55 UTCM 2.6 / 9.2 km44 kmNEAR AMAMI-OSHIMA ISLAND
Wed, 12 Jul
Wed, 12 Jul 02:24 UTCM 2.8 / 70 km32 kmNEAR TOKARA ISLANDS
Sun, 18 Jun
Sun, 18 Jun 11:37 UTCM 2.6 / 11.1 km25 kmNEAR TOKARA ISLANDS
Wed, 14 Jun
Wed, 14 Jun 01:52 UTCM 3.1 / 79.5 km14 kmNEAR TOKARA ISLANDS
View all recent quakes
Nakano-shima volcano is a stratovolcano forming the 9 x 5 km island of the same name, which belongs to the Ryukyu Island chain in southern Japan.
The island is surrounded by coral reefs, but unlike older extinct ocean islands that sink and form reefs Nakano-shima's volcano is active. There are no known magmatic eruptions in historic times, but a small mud eruption occurred in 1914, and increased "smoking" was seen in 1949.

Background:

An older, eroded volcano forms the southern half of the island and a flat plateau separates it from the present-day active volcano which forms the northern half and has an andesitic cone called On-take.
On-take contains a summit crater that is filled with water during the rainy season. Sulfur deposits were mined at a SE-flank solfatara until 1944.

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