Avalanche
- Slab Width
- 91 m
- Weak Layer
- Facets
- Trigger Type
- Snowmobiler
- Avalanche Type
- Hard Slab
- Slab Thickness
- 91 cm
- Trigger Detail
- Unintentionally Triggered
- Start Zone Aspect
- North
- Avalanche Problem
- Persistent Weak Layer
- Start Zone Elevation
- 3170 m
Snowmobiler triggered avalanche on north facing Little Superior. Hard slab avalnche failing on faceted grains 1'-4' deep.