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The Hawaiian islands were formed by volcanoes. Volcanoes have two methods of formation, convergence of tectonic plates at the edges of the plates, and hot spots under the middle of plates. The Hawaiian islands and others in that area were formed when magma from the mantle rose to Earth's surface through a certain spot in the middle of the plate (i.e., the Pacific Plate for the Hawaiian Islands). This hot spot is situated beneath the center of the plate, and the volcano above moves with the plate as it moves, but the hot spot stays in place. This causes the original volcano to become extinct when its move cuts it off from its magma source and an island is born. A new volcano will then form above the hot spot again. This process repeats as the plate moves and a string of volcanoes (and eventually, islands) will dot the surface of the plate as the movement continues away from the hot spot.

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6y ago
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7y ago

The Hawaiian Islands are a volcanic archipelago of eight major islands. It is an isolated area of volcanic activity in the Pacific Ocean. Coordinates: 19.8968° N, 155.5828° W

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14y ago

Volcanic activity.

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Q: What ocean structure forms the Hawaiian islands?
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Related questions

What ocean surrounds Hawaii?

The Pacific Ocean surrounds the Hawaiian Islands.


What ocean are the hawaiian island found?

The Hawaiian Islands are located in the Pacific Ocean.


What ocean are the Hawaiian islands located in?

Pacific OceanHawaii is in the central Pacific.


What type of boundary do the Hawaiian Islands have?

the ocean.


My islands form a chain in the pacific ocean. which state am i?

Hawaiian Islands


The Hawaiian Islands are formed by what ocean structures.?

Volcanoes.


What part of the Pacific is the Hawaiian Islands in?

Hawaii is an archipelago in the Pacific Ocean.


Is haiti one of the hawaiian islands?

No. The two Islands aren't even in the same ocean.


Where is the largest marine sanctuary?

Hawaiian Islands, Pacific Ocean


What islands are in the pacific?

Islands in the Pacific Ocean include: The Hawaiian islands, Japan, New Guinea, and Easter Island


Where do the Hawaiian Islands lie in relation to the US?

There are 6 islands that make up the Hawaiian Islands. They are located approximately 2,4000 miles to the southwest of California in the middle of the Pacific Ocean.


Where is the world's largest marine sanctuary?

Hawaiian Islands, Pacific Ocean