Nisqually, Washington, Earthquake of February 28, 2001

This report details the effects of the Nisqually, Washington Earthquake of February 28, 2001. Despite the magnitude of this 6.8 earthquake, only moderate damage was reported on older structures and minimal damage was reported on newer engineered buildings. This report shows that although catastrophic damage did not occur, some significant damage to the lifeline infrastructure did occur, particularly to roads, bridges, and the Sea-Tac airport control tower. Topics include geoscience and geotechnical aspects, highway systems, power systems, water supply, wastewater, railways, gas and liquid fuels, communications, airports, marine facilities, fire department response, and hazardous materials.