Cracking/collapsing and human triggered slide, Portal Creek

Portal Creek
Northern Gallatin
Code
SS-AM-R1-D1-O
Latitude
45.25990
Longitude
-111.13800
Notes

Riders up Portal Creek in the northern Gallatin Range experienced cracking and collapsing and possibly triggered a small avalanche. They were riding at night. Photo: N. Donovan

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Soft slab avalanche
Trigger
Snowmobile
R size
1
D size
1
Bed Surface
O - Old snow
Slab Thickness
30.0 centimeters
Slab Thickness units
centimeters