Earthquake tsunami on U.S. west coast?

Earthquake tsunami on U.S. west coast?
July 23, 2009 Kaja Cencelj
Artist’s impression of a tsunami hitting built up coastline

Scientists have underestimated the potential for a giant quake and tsunami that could swamp much the U.S. northwest and Canadian west coasts. Geological evidence suggests there have been earthquakes in the past that were even stronger than a magnitude 9.2 quake — the second-biggest ever recorded — which caused a 42-foot-high (12-meter-high) tsunami in the Gulf of Alaska in 1964, they said.

Scientists suggest that the northeastern end of the Aleutian megathrust has greater earthquake magnitude and tsunami potential than previously thought,” he added.

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