A leak in the Pacific Ocean’s floor has scientists concerned it could fuel “the big one,” a magnitude-9.0 earthquake that would be one of the strongest earthquakes the U.S. has ever seen, and has been ...

Find related stories on NSF's geosciences risk and resilience interest area. Understanding "slow-slip" earthquakes on the seafloor -- seismic events that occur over a period of days or weeks -- is ...

SOUTHAMPTON, England, May 13 (UPI) -- The risk of Indian Ocean earthquakes and tsunamis similar to the 2004 Sumatra disaster is greater than previously thought, researchers say. British and Canadian ...

Our planet's lithosphere is broken into several tectonic plates. Their configuration is ever-shifting, as supercontinents are assembled and broken up, and oceans form, grow, and then start to close in ...

The Cascade Subduction Zone affects where the ocean meets the land, and that land is rising in some parts of the Oregon Coast ...

The world's greatest earthquake belt, the circum-Pacific seismic belt, is found along the rim of the Pacific Ocean, where about 81 per cent of our planet's largest earthquakes occur.

Map highlighting the Atlantic subduction zones, the fully developed Lesser Antilles and Scotia arcs on the western side and the incipient Gibraltar arc on the eastern side. From Duarte et al., 2018.