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
The Quill (volcano) The Quill (volcano) The Quill is a stratovolcano located on the island of Sint Eustatius in the Caribbean Netherlands. The summit elevation is above sea level. It is also the second highest mountain in the Netherlands. The name 'Quill' originates from the Dutch term "kuil" (), meaning 'pit' or 'hole', which was used originally with reference to the volcanic crater. The Quill was designated as a national park by the government of the Netherlands Antilles in 1998. It is administered by the Sint Eustatius National Parks Foundation, STENAPA, which maintains a number of trails for hikers. The Quill formed between