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The 8.9 magnitude (which may have been upgraded to a 9.0) earthquake that struck Japan triggered tsunamis across the region. Here, results from a computer model run by the Center for Tsunami Research at the NOAA Pacific Marine Environmental Laboratory show the expected wave heights of the tsunami as it travels across the Pacific basin.
The largest wave heights are expected near the earthquake epicenter, off the coast of Sendai, Honshu, Japan. The wave will decrease in height as it travels across the deep Pacific but grow taller as it nears coastal areas. In general, as the energy of the wave decreases with distance, the near shore heights will also decrease. For example, coastal Hawaii will not expect heights of that encountered in coastal Japan, according to NOAA.