Submarine volcanoes associated with intraoceanic arcs occur at convergent plate boundaries throughout the world, but are predominantly found in the southern and western regions of the Pacific Ocean. These volcanoes are constructed on top of the overriding plate, typically between ~70 and ~175 km (with a global avg of 105 km) above the region where the subducted plate begins to partially melt and/or triggers partial melting of the mantle wedge or lithospheric base of the overriding plate (Syracuse and Abers, 2006). Most submarine intraoceanic arc volcanoes mark the active arc front, although up to 25% form in the...
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