At 03:36:14.0 UTC on March 28th, 1964 (local time 17:36
March 27th), a Mw 9.2 earthquake (61.05°N 147.48°W), 120km (75 miles) east of Anchorage (according to the USGS
), Alaska generating a major tsunami that struck the southeast coast of Alaska, British Columbia, U.S. West coast and Hawaii. The main tsunami generated local runup of more than 30m at Alaskan shorelines with runup over 60 meters reported in Valdez harbor, possibly due to associated landslide (The Great Alaska Earthquake of 1964, National Research Council Report v.5, Washington, DC, 1972). Tsunami propagated across the Pacific causing damage estimated at almost $1 billion and killing over 130 people.
The year of 2014 marks 50th Anniversary of the Great Alaska Earthquake and Tsunamis. Today's tsunami warning and forecast capability involves detection and modeling components that were not available in 1964. This page outlines tsunami model of the 1964 tsunami produced with NOAA tsunami forecast tools. This model illustrates the advancements of tsunami warning technology that includes real-time tsunami forecast capability illustrated on the example of 1964 Great Alaska Tsunami scenario.