Snowmobile triggered avalanche east of Mt. Abundance

Mount Abundance
Cooke City
Code
HS-AMr-R3-D2-O
Elevation
8800
Aspect
NE
Latitude
45.07730
Longitude
-110.02100
Notes

A rider triggered a slide on Saturday (2/22) on a bench below the east face of Mt. Abundance... Trigger point was from the top while driving by. 2' deep, 250' wide??

Number of slides
1
Number caught
0
Number buried
0
Avalanche Type
Hard slab avalanche
Trigger
Snowmobile
Trigger Modifier
r-A remote avalanche released by the indicated trigger
R size
3
D size
2
Bed Surface
O - Old snow
Problem Type
Persistent Slab
Slab Thickness
24.0 inches
Slab Width
250.00ft
Slab Thickness units
inches
Single / Multiple / Red Flag
Single Avalanche
Advisory Year