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Great Alaska Earthquake of 1964

Photo of house in Barrow Alaska, northernmost point in USA.
(Image credit: Getty Images/GeorgeBurba)

On March 27, 1964, a 9.2 magnitude earthquake struck Alaska's Prince William Sound region. Liquefaction in and around Anchorage tore the land apart; it was the second largest quake ever recorded by seismometers. This animation shows the underlying causes and tells how research contributed to confirmation of early theories of plate tectonics.

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