This volcanic arc delineates the boundary between ... earth's interior causes the plate to begin melting, and buoyant liquid magma rises to the surface forming a line of volcanoes.
The abrupt motion of the rock causes ... by volcano-tectonic earthquakes look like those produced by typical earthquakes (those caused by the motion of tectonic plates at plate boundaries, such ...
The tiny Juan de Fuca plate is largely responsible ... can also lead to underwater volcanoes that eventually build up into island arcs like Japan. At divergent boundaries in the oceans, magma ...
After suspecting the presence of a series of underwater volcanoes near the Cook Islands, researchers have now mapped out the ...
Venus, however, is a different story. Its crust is thicker—anywhere from 30 to 90 kilometers—and its surface is extremely hot ...
Scientists have long been puzzled by volcanoes that erupt far from the edges of tectonic plates—known as intraplate volcanoes ...
Most constructive plate boundaries are found on ocean floors. Some of these undersea volcanoes become so large ... move towards each other - this can cause fold mountains and earthquakes.