55th anniversary of Good Friday earthquake
Fifty-Five years ago, today, a 9.2 earthquake rocked South-central, Alaska.
In what's often called the 'Great Earthquake' or the 'Good Friday Earthquake', the earth shook for four minutes and thirty-eight seconds -- causing the Valdez harbor's waters to recede, and then return as a tsunami.
Over fifty people died due to a combination of the tsunamis, landslides, and liquefaction.
Major sections of land were either dropped or raised up by the forces of the mega-thrust movement of one tectonic plate devouring the other.
Although there was significant destruction, the earthquake spawned new building codes, the US Geological Survey Earthquake Hazards program, and NOAA's Tsunami centers, along with other implementations of science to predict how landforms will react to seismic