The Soufrière Hills volcano is located on the island of Montserrat in the Caribbean Sea. Its eruption in 1995 buried the capital city, Plymouth and forced the permanent relocation of over half the island’s population. It is a subduction-zone volcano ...
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A caldera is a large, basin-like depression formed when a volcano’s summit or flank collapses into an emptied magma chamber. Unlike a crater, which is formed by the explosive ejection of material, a caldera is a structural failure caused by ...
The cup-shaped or funnel-shaped opening at the top of a volcano is called a crater. It is the vent through which magma, ash and gases are ejected during an eruption. Craters are formed by the explosive removal of the volcano’s ...