Now in Nature, Wannamaker and colleagues use electrical resistivity data to investigate a plate boundary in New Zealand where a subduction zone beneath the North Island is lengthening at the ...

This volcanic arc delineates the boundary between the Pacific ... Plate beneath the North American Plate creating the Aleutian trench and volcanic island arc (Credit: Alaska Volcano Observatory).

The tiny Juan de Fuca plate is largely responsible ... volcanoes that eventually build up into island arcs like Japan. At divergent boundaries in the oceans, magma from deep in the Earth's mantle ...

Island arcs, which arise from volcanic activity along subduction zones where one tectonic plate dives beneath another, play a ...

New ocean floor is generated at the diverging boundary, and the edges of the now ... Japan is an excellent example of a volcanic island arc with a forearc and backarc basin. As an oceanic plate sinks ...