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Where do most volcanic eruptions occur on Earth?
- Canyons
- Under the ocean
- Islands
- Mountains
About 80% of the volcanic eruptions on Earth take place underwater. They form new landmasses and provide a living environment for deep-sea creatures
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Where are submarine volcanoes most commonly found?
- Continental shelf
- Oceanic trench
- Fjord
- Boundaries of tectonic plates
Like continental ones, volcanoes under the ocean are most commonly found around the boundaries of tectonic plates.
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Where are most of the active volcanoes located?
- Mid-Atlantic ridge
- Alpine-Himalayan orogenic belt
- Ring of Fire
- Andean volcanic belt
The most active volcanoes are located in the ‘Ring of Fire’ located under the Pacific Ocean. It consists of more than 450 volcanoes.
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When was the most recent underwater volcano eruption?
- January 2022
- July 2022
- March 2021
- January 2021
The Hunga Tonga–Hunga Ha’apai volcano in the South Pacific Ocean erupted on January 15, 2022.
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Which country is also a volcanic island?
- Madagascar
- Iceland
- Greenland
- Haiti
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.
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