Sci-Five | The Hindu Science Quiz: On submarine volcanoes

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Sci-Five | The Hindu Science Quiz: On submarine volcanoes


This view taken on January 17, 2015 from a ship at sea exhibits a frigate hen (C) flying on the thermals from the brand new vent as steam and fuel rise from the eruption of a volcano, some 65 kilometres (40 miles) northwest of the South Pacific nation Tonga’s capital Nuku’alofa.
| Photo Credit: AFP

Q: Where do most volcanic eruptions happen on Earth?

 About 80% of the volcanic eruptions on Earth happen underwater. They kind new landmasses and supply a residing surroundings for deep-sea creatures

Canyons

Under the ocean

Islands

Mountains

A: 2

Q: Where are submarine volcanoes mostly discovered?

Like continental ones, volcanoes below the ocean are mostly discovered across the boundaries of tectonic plates.

Continental shelf

Oceanic trench

Fjord

Boundaries of tectonic plates

A: 4

Q: Where are a lot of the lively volcanoes positioned?

The most lively volcanoes are positioned within the ‘Ring of Fire’ positioned below the Pacific Ocean. It consists of greater than 450 volcanoes.

Mid-Atlantic ridge

Alpine-Himalayan orogenic belt

Ring of Fire

Andean volcanic belt

A: 3

Q: When was the newest underwater volcano eruption?

The Hunga Tonga–Hunga Ha’apai volcano within the South Pacific Ocean erupted on January 15, 2022.

January 2022

July 2022

March 2021

January 2021

A: 1

Q: Which nation can be a volcanic island?

Estimated to have shaped about 16 to 18 million years in the past, Iceland’s land floor was shaped by the cooling of volcanic eruptions that occurred below the ocean.

Madagascar

Iceland

Greenland

Haiti

A: 2



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