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Ioto volcano (Volcano Islands) - Smithsonian / USGS Weekly Volcanic Activity Report for 3 August-9 August 2022 (New Activity / Unrest)

Wed, 10 Aug 2022, 14:00
14:00 PM | BY: VN
JMA reported that minor eruptive activity off the coast at Ioto (Iwo-jima) had been visible daily during 11-31 July. On 14 July pumice pieces from the eruption washed up onto the shore at Onohama and were photographed during a field survey conducted by the National Research Institute for Earth Science and Disaster Prevention. JMA scientist visited the site on 31 July and confirmed the pumice deposits on the beach.
They saw eruptive activity every few minutes, and gray, tephra-laden columns of water being ejected 20-30 m above the ocean's surface. A satellite image on 4 August showed a small rounded gray zone at the water surface and a plume of discolored water drifting NE.

Sources: Japan Meteorological Agency (JMA), Sentinel Hub
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From: Global Volcanism Program, 2022. Report on Ioto. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 3 August-9 August 2022. Smithsonian Institution and US Geological Survey.

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