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Download Good Friday Earthquake Katie Puthoff and Gwen Harpring
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How it began… • Years of plate tectonic activity created pressure along a fault line causing the earthquake. • On March 27, 1964 at 5:36 PM the earthquake began. • The initial seismic waves were so powerful that some buildings as far away as Seattle were swaying. During the Earthquake… • For almost 5 minutes the ground shook, causing houses and buildings to twist and collapse. • The Good Friday Earthquake had a magnitude of 9.2 on the Richter Scale. Effects of the Earthquake… • This earthquake was the second largest earthquake ever recorded in world history, leaving Anchorage in ruins. • There were almost 10,000 aftershocks of the quake that lasted for 18 months after the disaster. More effects… • Some of the effects of the earthquakes can still be seen today: dead trees, piles of ruins, and remnants of some of the destroyed structures. • 115 lives were lost during the 1964 earthquake as a result of the earthquake that covered more than 25,000 square miles of land. • Damage was also done to neighboring cities. Valdez, the city closest to the epicenter, was completely destroyed. Alaska & Earthquakes… • This quake altered more of the earth’s crust than any other earthquake on record. • Alaska is one of the world’s most seismically active areas. • 11% of the world’s earthquakes occur in Alaska. Some of the damage… Affected Areas • The ground rose and fell in waves and huge cracks opened and snapped shut in the ground. Uprooted trees and houses… More damage… Resources • http://www.greatlandofalaska.com/referenc e/GoodFridayQuake.html • http://www.valdezalaska.org/ history/earthquake.html • http://www.photolib.noaa.gov/ historic/c&gs/theb1340.htm