A thick layer of slippery clay on the ocean floor may have formed the weak spot that enabled a magnitude 9.1 quake to make ...

Every year, World Tsunami Awareness Day reminds us that early warning and education can save lives. Tsunamis, triggered mostly by undersea earthquakes, have caused some of the deadliest natural ...

A new study from the bottom of the Pacific Ocean has partly revealed why the 2011 Japan earthquake and tsunami were so devastating—and how scientists may be able to better understand intense disasters ...