sub
duc
tion
Plural
subductions
1
a geological process where one tectonic plate moves under another and sinks into the Earth's mantle
- The subduction of the Pacific Plate beneath the North American Plate has created the Cascadia Subduction Zone, known for its seismic activity.
- The Marianas Trench is a result of the subduction of the Pacific Plate beneath the Mariana Plate.
- Subduction zones are often associated with deep ocean trenches, such as the Peru-Chile Trench along the western coast of South America.
- Japan experiences frequent earthquakes due to the subduction of the Pacific Plate beneath the Philippine Sea Plate.
- The Ring of Fire is a prominent zone of subduction-related volcanic and seismic activity encircling the Pacific Ocean basin.