Sudden Release of Water Shakes Pacific Plate at Depth By Alton Parrish Tonga is a seismologists’ paradise, and not just because of the white-sand beaches. The subduction zone off the east coast of the archipelago racks up more intermediate-depth and deep earthquakes than any other subduction zone, where one plate of Earth’s lithosphere … Continue reading Sudden Release of Water Shakes Pacific Plate at Depth