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Unformatted text preview: deep as 670 km deep earthquakes are different than surface earthquakes. Different from San Andreas earthquakes Earthquakes associated with Convergent plate margins Why melting occurs during subduction? The cold subducting plate sinking in subduction zones releases water into the overlying mantle, causing mantle melting and fractionating of elements between surface and deep mantle reservoirs, producing island arcs and continental crust 03:16 03:16...
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- North American, Rift Valley, 670 km, New Madrid, Andreas earthquakes Earthquakes, 18111812 *1811