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No. Islands may form in a variety of ways. Some are essentially piles of sediment formed by the action of waves and water currents. Some form as a result of seafloor being uplifted by tectonic forces. Other islands form when elevated areas are cut off from the mainland by erosion.

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9y ago
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11y ago

Some islands are formed by volcanoes, but not all.

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Q: Are all islands formed by volcanoes in the ocean?
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Related questions

What Hawaiian Islands were formed by which constructive process?

The Hawaiian Islands are formed by the ocean structures known as submarine volcanoes. They continue to build the Pacific islands.


Do all volcanoes that erupt in the ocean make islands?

yes


Which type of volcano is an island volcano?

Stratovolcanoes, shield volcanoes, and complex volcanoes have all formed islands.


Are all volcanoes destructive?

Volcanoes are only destructive to people and property when they erupt. Volcanoes can lie dormant for decades before they erupt. The Hawaiian Islands were all formed from eruptions of volcanoes in the ocean.


What Hawaiian islands were formed by constructive process?

All of the Hawaiian islands were formed by volcanoes as lava flows piled up and cooled over the course of many years.


Why are the Hawaiian Islands volcanoes found in the center of the Pacific Ocean?

maybe because the middle of the pacific ocean is nearest the equator and the equator is the hottest place on earth so that's where a lot of volcanoes would be because all of the hawiian islands were caused by volcanoes. this is what i think at least. i hope it helped you!


Were can hotspot volcanoes be located?

The most famous hot spot volcano is Hawaii as all the Hawaiian islands were formed by them.


Is Ireland a volcanic island?

It was probably at one time because all islands are formed by under water volcanoes.


What island was formed from an undersea volcano?

Thousands of islands have been formed by undersea volcanoes including the Hawaiian Islands, the Galapagos, many of the western Antilles, the Aleutian Islands, the Philippines, the South Sandwich Islands, the Canary Islands, the Azores, the Marianas, and many others.


Where can you see volcanoes?

You can find volcanoes in Hawaii , the canary islands, under the ocean,in the united states of america,china,rome,the U.K and Pompeii. And all at a low cost.


What American islands are actually an underwater chain of volcanoes?

The American islands that are actually an underwater chain of volcanoes are the Hawaiian Islands. These islands were formed by volcanic activity from the Hawaiian-Emperor seamount chain. The islands of Hawaii, Maui, Oahu, Kauai, and others are all part of this volcanic chain.


Types of landforms formed by divergent boundaries?

Volcanoes are formed. Sorry, that's all I know