Volcanic eruptions that begin under ocean waters, rise up, and form islands, like the Hawaiian islands are called

Volcanoes can also form in the middle of a plate, where magma rises upward until it erupts on the seafloor, at what is called a “hot spot.” The Hawaiian Islands were formed by such a hot spot occurring in the middle of the Pacific Plate. While the hot spot itself is fixed, the plate is moving.

Explanation:

a is the final ! : )