EARTHQUAKES!

Government Hill School

Earthquake of March 28, 1964, Prince William Sound, Alaska. The magnitude 8.5 earthquake killed 131 people and caused 538 million in property damage. An area consisting of 120,700 km2 was shaken with damaging intensity. [GROUND DEFORMATION-SLUMPING] Photo shows extent of subsidence at Government Hill School in Anchorage. Soils failed and moved down slope. The soil failure left a part of the school on unmoved ground and dropped the remainder into a wide trough or graben. Photograph Credit: National Geophysical Data Center.