The death toll from the 8.8-magnitude earthquake that hit Chile early Saturday has reached 723, and at least 19 people are unaccounted for, the Chilean government said on Monday According to the National Emergency Office (Onemi), most of the deaths were reported in Maule region, where there were 544 deaths. There were 64 deaths and 38 deaths in Bio Bio region and the capital city of Santiago, respectively, it added. Both Maule and Bio Bio regions have been declared catastrophe zones and are under the administration of civilian and military authorities. A powerful tsunami triggered by quake devastated coastal towns of the affected regions, leaving an undetermined number of missing people. The Onemi also said that in the most affected southern regions, authorities began to deliver food and equipment for power generation. In the hard-hit towns of Curcio, Talca and Concepcion, temporary hospitals have been set up to replace those damaged by the earthquake, it added. The Chilean Health Ministry has launched a blood-donation campaign for quake victims, while urging people to stay home and not to go to aid supply distribution places except in case of need. 