McDonald Islands (volcano) McDonald Islands (volcano) The McDonald Islands () are the peaks of a volcano in the southern Indian Ocean in the vicinity of Heard Island (). The islands are Australian external territory. Prior to 1992, the volcano had not erupted in the previous 75,000 years. The McDonald Islands volcano comprises three islands: McDonald Island, Flat Island (which later merged with McDonald Island) and Meyer Rock. The islands are mostly composed of phonolitic low-silica pumice, dikes and lava domes, and sit atop a submarine plateau, the Kerguelen plateau. They are located about 75 km from Heard Island. McDonald Island is the largest
Cabalian Volcano Cabalian Volcano Cabalian Volcano("Kabalianon: Bukid Kantayoktok)" is an active volcano located in the province of Southern Leyte (Region VIII) in the Philippines. Cabalian is classified by the Philippine Institute of Volcanology and Seismology (PHIVOLCS) as active with solfataric activity. Radiocarbon dating on a pyroclastic flow deposit from the volcano estimated that the last eruption was in 1820 +/- 30 years. The cinder cone volcano has an elevation of with a base diameter of . The predominant rock type is andesite. Beside solfataras, other thermal features present are hot springs located on the east and west flank of the volcano. Mainit