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Fukutoku-Okanoba volcano (Volcano Islands, Japan): submarine explosion today

Fri, 13 Aug 2021, 05:35
05:35 AM | BY: MARTIN
Submarine explosion from Fukutoku-Okanoba volcano generated white plume today as visible from satellite (image: Himawari-8)
Submarine explosion from Fukutoku-Okanoba volcano generated white plume today as visible from satellite (image: Himawari-8)
The Japan Meteorological Agency (JMA) reported that a submarine eruption occurred at Fukutoku-Okanoba volcano at 06:20 local time today.
Satellite images from Himawari confirmed a steam and gas plume that extended to the west of the volcano. The height of the plume is unknown and was not reported yet, but from available imagery seems to be of tens-to-hundreds meters above sea level.
Fukutoku-Okanoba is a submarine volcano 5 km NE of the small pyramidal island Minami-iwo-jima in the Japanese Volcano Island chain. Eruptions and submarine hydrothermal activity often cause water discoloration in the area, and during eruptions, the volcano has built several temporary new islands. The first observation of a new island was in 1904-05 when it formed Shin-Iwo-jima ("New Sulfur Island"). Small new islands were also formed during the eruptions in 1914 and 1986.
Source: Japan Meteorological Agency volcano activity update 12 August 2021

Previous news

Wed, 11 Aug 2021, 06:00

Fukutoku-Oka-no-Ba volcano (Volcano Islands, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 11 August-17 August 2021 (New Activity / Unrest)

JMA reported that a large eruption at Fukutoku-Oka-no-Ba commenced around 0620 on 13 August based on satellite data. Ash plumes rose as high as 16 km (54,000 ft) a.s.l. and drifted W. ... Read all
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submarine volcano -14 m / -46 ft
Volcano Islands (Japan), 24.28°N / 141.49°E
Current status: normal or dormant (1 out of 5) Fukutoku-Okanoba volcano eruptions:
2021, 2010, 2005-07, 1995(?), 1993(?), 1992, 1991(?), 1987(?), 1986, 1976(?), 1974, 1973, 1972(?), 1968(?), 1967(?), 1963(?), 1962(?), 1960(?), 1959(?), 1958(?), 1956(?), 1955(?), 1954(?), 1953(?), 1952(?), 1950(?), 1914, 1904-05
Typical eruption style
explosive
Map of the volcanoes in the Izu-Marianas volcanoc arc stretchung SSE from Japan (map: Japanese coast guard).
Map of the volcanoes in the Izu-Marianas volcanoc arc stretchung SSE from Japan (map: Japanese coast guard).
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