90% of volcanic activity on earth occurs at either convergent or divergent plate boundaries. The remaining 10% occurs at hot spots, which are not associated with plate boundaries.
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on island on oceanic plates
Transform boundaries do not produce volcanic activity.
They both occur along plate boundaries.
Convergent
The hot spot volcanic activity is not dependent on the subduction and melting of oceanic crust. The hot spot simply appears to be a non-moving place in the Earth's mantle where heat rises from the interior.
mantle plume
Transform boundaries do not produce volcanic activity.
Volcanic Mountains are associated with divergent plates.
Divergent boundaries. :)
Observations of earthquakes and volcanic activity support the theory of plate tectonics because they both occur on boundaries. Boundaries are where plates meet and either converge, diverge or transform.
convergent oceanic oceanic
Hot spot volcanoes are not associated with a plate boundaries. Hot spots can drive volcanic activity all by themselves.
Volcanic islands typically form near subduction zone, but they can also form at hot spots, which are not associated with plate boundaries.
They both occur along plate boundaries.
They both occur along plate boundaries.
The volcanic landforms at divergent ocean plate boundaries are oceanic ridges.
Most calderas are associated with subduction zones, a kind of convergent plate boundary. However, a few calderas, such as the ones at Yellowstone, are associated with hot spots rather than plate boundaries.
The Pacific Ring of Fire consists of numerous plate boundaries. Most of the volcanic activity is along convergent boundaries.