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This is a point in the Earth's crust where hot upwellijng mantle material causes significant magma formation and melting to occur within the crust and upper mantle. This in turn causes hotspot volcanism at the surface.

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A hot spot creates volcanoes in an?

Yes. It sure does :l


Why do some Hawaiian islands have active volcanoes and some don't?

All of the Hawaiian islands are volcanic in origin. The volcanoes are fed by a hot spot, where extra hot material wells up in the mantle, generating magma. This hot spot generally stays in one place while the Pacific Plate above it moves. As this happens, older volcanoes are carried away from the hot spot and lose their source of magma.


Why do volcanoes at a hot spot eventually become extinct?

The plate that the volcano is on moves while the hot spot does not. The volcano is eventually carried away from the hot spot and no longer has a source of magma.


In plate tectonic theory what does a hot spot create?

A hot spot is an area of volcanic activity that occurs independently of tectonic plate boundaries. As a tectonic plate moves over a hot spot, a linear chain of volcanoes forms on the plate surface. The most well-known example of this is the Hawaiian Islands.


How are hot spot volcanoes different from volcanoes in other places?

Hot spot volcanoes such as those in Hawaii and the Yellowstone Caldera form as a result of extra hot material rising from deep within the mantle. While most volcanoes can only form near plate boundaries, hot spot volcanoes can form in the middle of a tectonic plate. Unlike at subduction zones, which are generally associated with stratovolcanoes, hot spots that form under oceanic crust typically produce shield volcanoes. Hot spots under continental crust can be more complicated and have produced every variety of volcano.