Incident

Avalanche: Seeley Canyon

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Quick report

Slope Angle
40°

Avalanche

Slab Width
152 m
Weak Layer
Facets
Trigger Type
Snowmobiler
Vertical Fall
152 m
Avalanche Type
Hard Slab
Slab Thickness
152 cm
Trigger Detail
Unintentionally Triggered
Start Zone Aspect
Northeast
Avalanche Problem
Persistent Weak Layer
Start Zone Elevation
3048 m

Incident

Number Caught
2
Number Carried
2
Number Injured
1
Number Fully Buried
1
Number Partly Buried
1

Party of three snowmobilers. Avalanche failed when two of the snowmobilers were on the slope at the same time. One partial burial, and one full burial. Buried for five minutes. Sustained injuries. Group had beacons and shovels.