EDITOR'S NOTE: This is a joint release of Brown University, Carnegie Institution of Washington D.C., National Science Foundation, Scripps Institution of Oceanography, University of Å·ÃÀ¿Ú±¬ÊÓƵ, University of Oregon, University of Washington, and Woods Hole Oceanographic Institution. Visuals are available (see end of release). Under the South Pacific, a new picture emerges of Earth's most volcanically active area.