A large quake has struck the Central American country of Panama, prompting fears of a Pacific tsunami.

Tsunamis move the whole ocean, not just the surface. Flume tests and a rare satellite pass show how they start, how fast they ...

Note: Map shows the area with a shake intensity of 3 or greater, which U.S.G.S. defines as “weak,” though the earthquake may be felt outside the areas shown. Sources: U.S.G.S. (epicenter, shake ...

I spent the last week in Colorado at a meeting of the Tsunami Science and Technology Advisory Board (TSTAP). We are a small group tasked with providing recommendations to the NOAA administrator on ...