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Why is the Juan de Fuca Plate being subducted under the North America Plate?
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Where on earth is there an example of an oceanic plate going under a continental plate?
This phenomenon is called plate subduction and is seen in South America where the Nazca plate is being subducted under the South American plate. The Juan the Fuca plate is being subducted under North American plate.
California earthquakes occur because the pacific plate is being subducted under what continental tectonic plate?
North American
Where is the Pacific Ring of Fire located?
The Pacific Ring of Fire is located around the Pacific Ocean. It starts at the subduction of the Nazca Plate beneath the South American Plate, on the southwestern coast of Chile. It continues northwards along the western coast of South America to Central America, where the Cocos Plate is being subducted beneath the Caribbean Plate. It continues up the western coast of North America where the Pacific Plate and the Juan de Fuca Plate is being subducted beneath the North American Plate. Following the western coast of North America northwards, it swings westwards along the southern coast of Alaska (Aleutian Islands arc) and across the Bering Strait towards the Kamchatka Peninsula, Russia. It continues southwards along the eastern coast of Asia, where the Pacific Plate and the Philippines Plate is being subducted beneath the Eurasian Plate. Still southwards at Indonesia, the Indo-Australian Plate is being subducted beneath the Eurasian Plate. Lastly, swinging eastwards into the Pacific Ocean and then southwards, along the subduction of the Pacific Plate beneath the Indo-Australian Plate, it finally ends in New Zealand.
Describe the relative motion between the north American plate and the pacific plate?
The Pacific Plate is currently being subducted under the North American Plate. Subduction zones are when one plate is being forced under another at a convergent boundary (where two plates collide). When the Pacific Plate is being subducted under the North American Plate, the crust of the Pacific Plate melts, and creates volcanoes along the edge of the North American Plate. So, the relative motion of the two plates is that they are converging, or moving together.This same process is happening at the South American and Nazca Plates.
What plates create a volcanic arc?
An oceanic plate being subducted under a continental plate.
What plates can create a volcanic arc?
An oceanic plate being subducted under a continental plate.
When 1 plate is forced beneath another?
Subduction
What type of boundary separates Altantic plate and Caribbean plates?
The Atlantic Plate is being subducted beneath the eastern Caribbean Plate.
What plates are being subducted under Oregon and Washington?
Juan De Fuca Plate
What are 3 areas of probable volcanic activity today in the US and why?
# Hawaii - It lies underneath a mantle "hot spot" which provides an almost constant supply of magma to the earth's surface here. # Pacific North West - The Pacific crust is being subducted underneath the North American Plate here and provides a source for magma. Part of the Pacific ring of fire. i.e. Mt St. Helen's # Alaska - Also part of the ring of fire, the Pacific plate is being subducted underneath the Laurentian (North American) plate.
What marks the spot where a plate is being subducted?
Normally a trench develops, marking the area of subduction.
Is a subduction zone a plate boundaries?
A subduction zone is where one plate is being subducted ( pulled down) under another plate, No it is not a plate boundary but it is were it happens. hope this helps
