The fracture lines for these avalanches ran from Meal Odhar around to Glas Maol. (Apologies on the 'paintshop' work)

The crack shown was about 15 metres long and near the start zone for the Meal Odhar avalanche

163cm down to the crust (pencil) with a mixed form snow snow (exhibit A) below, the likely culprit on the nearby avalanches.

view showing the surface and crack, interesting

and more avalanches, this one within 25 metres of the A93

and on Creag Leacach