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do, 26 nov 2020, 08:43
Thermal image of Nishinoshima volcano confirms a highly elevated temperature of inner summit crater (image: JCG)
After a three months calm period with little or no activity, the Japan Coast Guard (JCG) did a flight observation by Haneda Air Base aircraft to confirm a highly elevated gas emissions and the inner summit crater temperatures identified in thermal images. ... Lees alle
 

Nishino-shima vulkaan

caldera, submarine volcano approx 70 m / 215 ft (currently growing)
Volcano Islands, Japan, 27.27°N / 140.88°E
Current status: restless (2 out of 5)
Last update: 26 Nov 2020 (degassing; highly elevated temperature)
Nishi-no-shima on 18 Oct 2015 (Japanese Coast Guard)

Nishinoshima volcano (西之島, Nishi-no-shima meaning literally: Western Island, also: Rosario Island) is the tiny submerged part of a caldera in the northern Volcano Islands of Japan. The small 700 m wide island was significantly enlarged during the last eruption in 1974, which joined several new islands that formed then.
Water discoloration due to possible minor eruptions and / or shallow submarine hydrothermal activity in the area is a frequent sight.
The mostly submerged volcano is a massive seamount with prominent flank cones on the south, west and NE flanks. The southern cone rises to a depth of 214 m below the sea surface, 9 km SSE of Nishinoshima.

Typical eruption style: explosive
Nishino-shima vulkaanuitbarstingen: 2019-ongoing, 2017, 2013-15, 1985(?), 1982(?), 1980(?), 1978(?), 1975(?), 1973-74

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