The presence of an oceanic trench, a chain of volcanic mountains along the edge of a continent, and deep-seated earthquakes is characteristic of

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The presence of an oceanic trench, a chain of volcanic mountains along the edge of a continent, and deep-seated earthquakes are all characteristic of an ocean-continent plate convergence. As the denser oceanic plate subducts beneath the less dense continental plate, it forms a deep trench, and magma rises to the surface, creating a chain of volcanic mountains. The pressure and friction of the plates moving against each other also cause deep-seated earthquakes.

The Presence of an Oceanic Trench, a Chain of Volcanic