A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapour, and gas are or have been erupted from the earth's crust.
A sudden violent shaking of the ground
A storm with a violent wind, in particular a tropical cyclone in the Caribbean.
A mass of snow, ice, and rocks falling rapidly down a mountainside.
An overflow of a large amount of water beyond its normal limits, especially over what is normally dry land.
A long, high sea wave caused by an earthquake or other disturbance.
