A surtseyan eruption is a volcanic eruption in shallow water. It’s named after the island Surtsey, off the coast of Iceland. In 2015, a surtseyan eruption in the Tongan Archipelago created the island Hunga Tonga-Hunga Ha’apai. Despite the odds, that island is still there almost five years later.
Click here for original story, Newborn volcanic island in the Pacific has survived five years
Source: Phys.org