He managed to start a minor avalanche that piled up junk before the cave, partially blocking it.

I landed in powdery snow, knee-deep on the pueblo's low roof, slid off in a minor avalanche and hammered on the door of the Spider.

Her passage started a separate snowslide that developed into a minor avalanche.

Just then the ground under and around him shook suddenly, bringing a minor avalanche of slow-falling particles down on the crown of the suit.

After a few more moments of hesitation she started forward, and half-walked, half-skidded down the bank, pushing a minor avalanche of soil before her.

The first hour was really quite uneventful, other than for the occasional minor avalanche which threatened to plunge them to a most uninviting oblivion.

Together they scooted down the side of the pile, bringing a minor avalanche of slushy gravel with them.

Explosive control has proved to be effective in areas with easy access to avalanche starting areas and where minor avalanches can be tolerated.

He scrambled around, and almost went down in the same minor avalanche where Jocelyn rolled.

The sound behind him was a minor avalanche.