Encyclopedia
Avalanche
Avalanche: A rapid, sudden movement of snow and (or) ice down steep mountain slopes, posing a threat to human life and health, causing damage to economic objects and the surrounding natural environment
Source: "SAFETY IN EMERGENCY SITUATIONS. NATURAL EMERGENCY SITUATIONS. TERMS AND DEFINITIONS. GOST 22.0.03-97/GOST R 22.0.03-95"
(approved by the Decree of the Russian State Standard dated 25.05.1995 No. 267)