Assertion: avalanche | /r/HasProperty | triggered in a starting zone
Facets:
value: typically
type: DEGREE
value: (slab avalanche)
type: LOCATION
Source sentences:
text: Avalanches are typically triggered in a starting zone from a mechanical failure in the snowpack (slab avalanche) when the forces of the snow exceed its strength but sometimes only with gradual widening (loose snow avalanche).
text: Avalanches are typically triggered in a starting zone from a mechanical failure in the snowpack when the forces on the snow exceed its strength but sometimes only with gradually widening.