It is now called the Mid-Ocean Ridge. In 1953, American physicists ... The large plate containing most of the Pacific Rim accounts for 80 percent of the earthquake energy of the planet.

Wang and his team discovered the slab while exploring an area beneath the East Pacific Rise - a fast-spreading mid-ocean ...

This region is a mid-ocean ridge located 3,200 km off the coast ... thick mantle transition zone beneath a portion of the East Pacific Rise around 350 km east of Easter Island.

The tiny Juan de Fuca plate is largely responsible for the volcanoes that dot the Pacific Northwest ... renews the ocean floor and widens the giant basins. A single mid-ocean ridge system connects ...