Great Alaska Earthquake

Great Alaska Earthquake

March 27, 1964:

A magnitude 9.2 earthquake struck in the Prince William Sound region of Alaska. It lasted for approximately 4.5 minutes, and is the most powerful earthquake recorded in U.S. history. It is the second largest earthquake ever recorded and triggered tsunamis with a run-up of more than 100 feet.—(USGS)


  • 131 fatalities reported
  • Estimated Damage Costs: 300-400 million USD (1964) (approx. 2.4-3.1 trillion today)

Related Resources:

Photo: (Credit: U.S. Army) Collapse of Fourth Avenue near C Street in Anchorage due to a landslide caused by the earthquake.

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