Volcanic island arc
Low islands
A ring shaped coral island found for from land is called an atoll.
rocks formed under the sea and it was pushed up by force and over the years parts of the rocks fell back into the ocean and then it eventually became a flat surface and that it how Tybee Island was formed
A glacier formed Long Island which came from Canada
A low island is typically formed by the buildup of coral reefs or by volcanic activity. Coral atolls are formed by the growth of coral reefs on the rim of submerged volcanic islands. Volcanic low islands are created by the eruption of underwater volcanoes, with the accumulated lava and ash forming the island over time.
Continental volcanic arcs
It could be called an undersea island or submarisle.
Low islands
The island at the southwest tip of India is called "Lakshadweep." It is an archipelago consisting of 36 islands in the Arabian Sea.
The island is referred to by locals as the Big Island. The island is called Hawaii and is the most recently formed island on the chain.
The island in Crater, called Wizard Island was formed by small volcanic eruptions that occurred after the Crater Lake caldera formed but before the volcano went extinct.
a belt of volcanoes is called an island arc, they are formed from Hotspots/Mantle Plumes
New Zealand is an island nation consisting of multiple islands.
Primary succession
Britain, consisting of England, Wales and Scotland. There is also the island called the Isle of Man which is between Britain and Ireland.
The island group southeast of Florida is called the Bahamas. It is a nation consisting of more than 700 islands, islets, and cays in the Atlantic Ocean.
A new small island is formed (also called Surtsey).