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A mass of snow and ice that falls rapidly down a mountainside
A sudden and forceful shaking of the ground
The loss or displacement of land due to the action of waves, currents, or other impacts
Destructive mudflow on the slopes of a volcano
A large displacement of sediment, usually down a slope
A localized depression caused by some form of collapse of the surface layer
The discharge of pyroclastic material such as ash, lava, and rock
Severe snowstorm with high winds and low visibility
Prolonged duration of abnormally low rainfall, leading to a shortage of water
A thunderstorm that produces lumps of ice
A period of excessively hot weather
Large scale air mass rotating around a low-pressure center that forms near the Equator
A winter storm characterized by freezing rain
A rapidly rotating column of air that is spawned from a thunderstorm
The overflow of water beyond its normal confines
An unplanned and uncontrollable burning in an area of vegetation
The altering of Earth’s climate system that results in new weather patterns
A temporary disturbance of the Earth's magnetosphere caused by a solar wind shock wave