Atico, Peru, MW 8.4 Earthquake of June 23, 2001

Prepared by the Post Earthquake Investigation Committee of the Technical Council on Lifeline Earthquake Engineering of ASCE.

In the late afternoon of June 23, 2001, a colossal earthquake with a magnitude of 8.4 MW took place in the coastal waters off the District of Arequipa and the town of Atico, Peru. The magnitude of the event made it the largest in the world in the previous 25 years. This earthquake caused nearly 2,000 deaths and 3,000 injuries; 26,000 homes were destroyed; 34,000 h…