8.9 Quake Triggers Tsunami Across Pacific Ocean
Japan's northeastern coast was slammed by a strong earthquake and tsunami Friday. It appears most of the damage was caused not by the ground-shaking but by the tsunami it generated. The tsunami is now sweeping across the Pacific Ocean.
Source: http://www.npr.org/2011/03/11/134448300/Earthquake-Science?ft=1&f=1007