The Good Friday Earthquake (also called the Great Alaska Earthquake) of Friday, March 27, 1964 (Good Friday, a Christian holy day associated with a historical earthquake ), 5:36 P.M. AST (03:36 3/27 UTC) had a moment magnitude of 9.2 and was an 8.4 on the Richter scale. It was the most powerful recorded earthquake in U.S. and North American history, and the third most powerful ever measured by seismograph. 131 deaths were attributed to the earthquake. The epicenter of the earthquake was , 20 km north of Prince William Sound, 125 km (78 miles) east of Anchorage and 64 km (40 miles) west of Valdez. The rupture occurred at a depth of approximately 25km and its duration was approximately 4 minutes. The powerful earthquake also caused some parts of Alaska to experience earthquake liquefaction, causing much damage to property and leading to landslides.
