An avalanche is a type of which one of the following disasters ?

An avalanche is a type of which one of the following disasters ?

Atmospheric
Terrestrial
Aquatic
Biological
This question was previously asked in
UPSC CDS-2 – 2021
An avalanche is the rapid movement of a large mass of snow, ice, rock, or debris down a mountainside or slope. This is a geological phenomenon occurring on the land surface.
Disasters are often classified based on their origin or the sphere of Earth they primarily affect. Terrestrial disasters are those originating from the solid Earth or landforms.
Examples of terrestrial disasters include earthquakes, volcanic eruptions, landslides, and avalanches. Atmospheric disasters relate to weather and climate (e.g., cyclones, droughts, floods, heatwaves). Aquatic disasters relate to water bodies (e.g., tsunamis, limnic eruptions). Biological disasters involve living organisms (e.g., pandemics, epidemics, pest infestations).
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