GEOLOGY

Detailed explanation-1: -The melted rock, known as magma, often pushes through cracks in the crust to form volcanoes. Hot spot volcanism is unique because it does not occur at the boundaries of Earth’s tectonic plates, where all other volcanism occurs. Instead it occurs at abnormally hot centers known as mantle plumes.

Detailed explanation-2: -Hot-spot volcanism Volcanoes can also form above a column of superheated magma called a mantle plume. This may happen in areas that are distant from plate boundaries. It is also referred to as hot spot or intraplate volcanism.

Detailed explanation-3: -The Hawaiian Islands and the chain of seamounts that continue their trend for about 6, 000 kilometers (3, 750 miles) into the northwest Pacific Ocean are an example of a hotspot track. The Island of Hawaii is the youngest, and most active, volcano in the chain.

Detailed explanation-4: -Although most volcanoes are found at convergent or divergent plate boundaries, intraplate volcanoes are found in the middle of a tectonic plate.

Detailed explanation-5: -Whilst most tectonic activity is focused on plate margins, it is possible for earthquakes and volcanoes to occur far from the edges of tectonic plates.