Seismologists have just registered an earthquake in Seward, Alaska, that is big enough to produce a tsunami. The ocean depth is 4,000 meters. Use the wave speed formula to approximate the tsunami ...

Unlike tidal waves, tsunamis have nothing to do with gravitational pulls from celestial bodies. They result from natural ...

Geophysicist Barry Hirshorn—now with Scripps Institution of Oceanography at the University of California, San Diego—was on ...