ScienceAugust 15, 2026

subduction

sub-DUK-shun

Definition

The geological process where one tectonic plate moves underneath another and sinks into the Earth's mantle.

Etymology

Derived from the Latin 'subductio,' meaning 'a lowering or pulling down.' It entered English as a geological term describing the downward movement of lithospheric plates.

In the news

The article uses the term to explain the underlying tectonic mechanism that triggered the 6.4 magnitude earthquake in North Sumatra. It serves to identify the geological origin of the seismic activity mentioned.

Strong Earthquake Hits North Sumatra, No Tsunami Risk

Read the full article ↗

Tempo.co English

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