Therasia is in the volcanic island group of Visayas.
 Examples are the Aleutian Islands, the Mariana Islands, and most of Tonga in the Pacific Ocean
==== Microcontinental islands ====A special type of continental island is the microcontinental island, which is created when a continent is horizontally displaced or rifted Examples are Madagascar and Socotra off Africa, New Caledonia, New Zealand, and some of the Seychelles

