Nakano-shima

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Nakano-shima Vulkan

Stratovulkan 979 m / 3,212 ft
Ryukyu-Inseln, Japan, 29.86°N / 129.86°E
Aktueller Status: nicht aktiv (1 von 5)

Typische Aktivität: Explosiv
Ausbrüche des Nakano-shima: 1949 (uncertain), 1914 (phreatic explosions)
Letzte Erdbeben in der Nähe:

Zeit	Mag. / Tiefe	Distance	Ort
Thu, 16 May
Thu, 16 May 15:59 UTC	M 1.6 / 66 km	20 km	トカラ列島近海 (Tokara islands coastal waters)
Mon, 13 May
Mon, 13 May 04:32 UTC	M 1.7 / 157 km	25 km	トカラ列島近海 (Tokara islands coastal waters)
Mon, 13 May 02:51 UTC	M 1.6 / 15 km	25 km	トカラ列島近海 (Tokara islands coastal waters)
Fri, 10 May
Fri, 10 May 13:07 UTC	M 1.7 / 3 km	29 km	トカラ列島近海 (Tokara islands coastal waters)
Thu, 9 May
Thu, 9 May 06:11 UTC	M 3.2 / 124 km	7 km	トカラ列島近海 (Tokara islands coastal waters)

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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.

Beschreibung:

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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