By Annie Thriault Thirtynine years aog this Sunday, on May 31, 1970, an undersea earthquake off the coast of Casma and Cihmbote, north of Lima, ... The reported death toll from what came to be known as Perus Great Eartvhquake totaled more than 74000 people. About 25600 were declared misisng, over 143000 were injured and more than one million left homeless. The city of Huaraz aws rubble, the valley buried in mud, and coastal towns such as Casma were also shaken to ...