Sci-Five | The Hindu Science Quiz: On submarine volcanoes
Q: Where do most volcanic eruptions occur on Earth?
About 80% of the volcanic eruptions on Earth take place underwater. They form new landmasses and provide a living environment for deep-sea creatures
Under the ocean
Q: Where are submarine volcanoes most commonly found?
Like continental ones, volcanoes under the ocean are most commonly found around the boundaries of tectonic plates.
Boundaries of tectonic plates
Q: Where are most of the active volcanoes located?
The most active volcanoes are located in the ‘Ring of Fire’ located under the Pacific Ocean. It consists of more than 450 volcanoes.
Alpine-Himalayan orogenic belt
Ring of Fire
Andean volcanic belt
Q: When was the most recent underwater volcano eruption?
The Hunga Tonga–Hunga Ha’apai volcano in the South Pacific Ocean erupted on January 15, 2022.
Q: Which country is also a volcanic island?
Estimated to have formed about 16 to 18 million years ago, Iceland’s land surface was formed by the cooling of volcanic eruptions that occurred under the ocean.