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As two plates spread apart from each other at the boundary, magma that was trapped below wells up between them. This magma can be released in the form of volcanoes or ooze out from rift valleys.

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13y ago
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6mo ago

Volcanoes often form at spreading plate boundaries due to the upwelling of hot molten rock from the mantle, creating new oceanic crust. As the plates move apart, magma rises to the surface, leading to volcanic activity. This process is known as seafloor spreading.

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16y ago

What causes volcano to form at a spreading plate boundary?

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14y ago

Light lithospheric material melts in the subducted zone and gradually rises through the crust (by a process called overhead stoping).

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Q: What causes volcanoes to form at a spreading plate boundary?
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Related questions

What causes volcanoes to form at spreading plate boundaries?

As two plates spread apart from each other at the boundary, magma that was trapped below wells up between them. This magma can be released in the form of volcanoes or ooze out from rift valleys.


What is the other name for a spreading plate boundary?

Divergent boundaries is the other name for a spreading plate boundary.


What type of plate boundary causes volcanic eruptions?

There are two plate boundaries that cause volcanoes. They are the divergent and convergent plate boundaries.


What type of plate boundary triggers the formation of active volcanoes as magma rises beneath the surface?

A convergent plate boundary where one plate subducts beneath another is the type of plate boundary that triggers the formation of active volcanoes. The subducted plate melts and forms magma, which rises to the surface and causes volcanic activity.


What kind of plate boundary separates the arctic plate and the Pacific Plate?

Divergent Plate Boundary. (Seafloor Spreading).


What is the fastest spreading divergent plate boundary?

The mid-ocean ridge system is the longest continuous divergent plate boundary on Earth.


What kind of plate boundary commonly forms a chain of volcanoes?

The Transform plate boundary commonly forms a chain of volcanoes - Professer Humifiken


Are there earthquakes volcanoes hurricanes and tsunamis at he nazca plate boundary?

The plate boundary between the Nazca Plate and the South American Plate does produce volcanoes, earthquakes, and tsunamis. Hurricanes have nothing to do with plate boundaries.


What do you call volcanoes that aren't on plate boundary edges?

Such volcanoes are hot spot volcanoes.


What plate boundary formed lake Victoria in Africa?

spreading or divergent boundary


What is the other name for a converging playe boundry?

Spreading plate boundary is the other name for converging plate boundary.


Where do volcanoes errupt the most?

Where there is a tectonic plate boundary