subduction

Definitions

  • WordNet 3.6
    • n subduction a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate
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Webster's Revised Unabridged Dictionary
    • Subduction Arithmetical subtraction.
    • Subduction The act of subducting or taking away.
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Century Dictionary and Cyclopedia
    • n subduction The act of subducting, taking away, or withdrawing.
    • n subduction Arithmetical subtraction.
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Etymology

Webster's Revised Unabridged Dictionary
L. subductio,

Usage


In news:

It looks like it was a relatively shallow earthquake (~15 km) that was related to thrusting due to the subduction of the Cocos plate under Mexico.
Cascadia Subduction Zone has long rap sheet of powerful temblors topping magnitude-9.0.
This animation by Miho Aoki at the University of Alaska Fairbanks Art Department illustrates how a tsunami is generated by a subduction zone earthquake—the same type as Japan's 2011 Sendai temblor.
Where the seafloor and the land collide, though, moving on separate crustal plates, the dense oceanic rock dives under the lighter continent--it gets subducted , as geologists say.
The tiny Juan de Fuca plate heads east, and almost immediately (geologically speaking) gets subducted under the North American plate.
This block diagram represents where the Sumatran plate is subducted beneath the Indian plate.
Researchers believe the tremors may be associated with building stress in the Cascadia subduction fault zone, about 50 miles off the Pacific coast.
She said the earthquake occurred along a "fairly long" fault - "a plate 200 kilometers long" in a subduction zone, where one plate slips underneath another.
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In science:

Imagine new seafloor being produced at the mid-oceanic ridges, moving away slowly, and ultimately plunging into the Earth (subducting).
Teaching Earth Dynamics: What's Wrong with Plate Tectonics Theory?
The six tiles near Kamland B. Effect of the subducting slab beneath Japan C.
Geo-neutrinos and Earth's interior
The Japan arc, at the crossing among the Eurasian, Philippine and Pacific plates, is the theater of important subduction processes.
Geo-neutrinos and Earth's interior
The Philippine plate is moving towards the Eurasia plate at about 40 mm/yr and is subducting beneath the southern part of Japan.
Geo-neutrinos and Earth's interior
The Pacific Plate is moving in roughly the same direction at about 80 mm/yr and is subducting beneath the northern half of Japan.
Geo-neutrinos and Earth's interior
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