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Fukutoku-Oka-no-Ba volcano (Volcano Islands, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 25 August-31 August 2021 (New Activity / Unrest)

Wed, 25 Aug 2021, 06:00
06:00 AM | BY: VN
The Japan Coast Guard reported that during a 26 August overflight of Fukutoku-Oka-no-Ba, observers noted that the W island was unchanged while the E side had mostly eroded, leaving two small islands. While no eruptions were visible, gray material from the central vent was intermittently ejected to the sea surface and brown, discolored water was widely distributed, especially to the W.

Source: Japan Coast Guard
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From: Global Volcanism Program, 2021. Report on Fukutoku-Oka-no-Ba. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 25 August-31 August 2021. Smithsonian Institution and US Geological Survey.

Previous news

Wed, 18 Aug 2021, 06:00

Fukutoku-Oka-no-Ba volcano (Volcano Islands, Japan) - Smithsonian / USGS Weekly Volcanic Activity Report for 18 August-24 August 2021 (New Activity / Unrest)

The Japan Coast Guard reported that the eruption at Fukutoku-Oka-no-Ba continued during 16-22 August. Gas-and-steam emissions continued to be observed from the center of the island on 16 August. The pumice raft that was first identified on 15 August had expanded to about 100 km to the WNW and was about 13 km wide. ... Read all
Tue, 17 Aug 2021, 05:59

Fukutoku-Okanoba volcano (Japan): satellite image of pumice swirling in the Pacific

Pumice swirling trail in the Pacific Ocean from the space (image: @planet/twitter)
A spectacular satellite image of the Planet satellite company from 15 August depicts pumice swirling trail in the Pacific Ocean. Pumice is currently meandering on the sea as the volcano started to produce Surtseyan eruption on 13 August and led to the birth of the new island. Pyroclastic material is flowing about 60 km to the northwest of the volcano. Read all
Show more
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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