Revillagigedo Islands (rāvēˈyähēhāˈħō) [key], archipelago in the Pacific Ocean, c.450 mi (720 km) W of Colima state, Mexico. Socorro (110 sq mi/285 sq km) is the largest island. A volcano on San Benedicto island rose suddenly in 1952. The Mexican flag was officially raised over the islands in 1957.
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