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McDonald Islands (volcano) : ウィキペディア英語版 | McDonald Islands (volcano)
The McDonald Islands is a volcano in the Indian Ocean. The islands currently belong to Australia. The islands had never erupted in recorded history prior to 1992. ==Morphology== The McDonald Islands Volcano is made up of three islands: Mcdonald island, Flat island (which later merged with McDonald island) and Meyer Rock. The islands are mostly composed of Phonolitic pumice, dikes and lava domes The islands sit atop a Submarine plateau, the Kerguelen plateau. The islands are located around 75 km away from Heard Island. McDonald island is the largest of the islands, at around 1 km2 in area. It has been the main focus of activity in recent times. Prior to 1996, McDonald island had been a flat green island whose pumice beaches provided a great nesting area for Penguin breeding. The island now has two main peaks, Maxwell Hill and Samarang Hill, the highest is Maxwell Hill at 230 M.
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