Published: 6th Sep, 2021
Context
Recently, Fukutoku-Okanoba Submarine Volcano exploded in the Pacific Ocean, off Japan that may poses a risk to the passage of planes and ships.
About
About Fukutoku-Okanoba volcano-
- The Fukutoku-Okanoba volcano is situated about 25 metres (80 feet) below the sea five kilometres north of Japan’s South Iwo Jima Island.
- The plume reached a height of 16 kilometres above the surface, posing a risk to the passage of planes and ships.
- The eruption could have happened in shallow water due to which the ash plume had reached such a height.
- The normal cruising altitude of aircraft is about 10 kilometres.
- Plume went straight from being a submarine event to an eruption cloud reaching the lower boundary of the Stratosphere, this is not very common for this type of volcano.
- ??Normally lower-level plumes are seen from submarine eruptions.
- Eruption and submarine hydrothermal activities often cause water discoloration in the area, and during eruption, the volcano has built several temporary new islands.
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Submarine volcanoes
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