Fig. 2: Local terrain in the Dyatlov Pass, reported snow dynamic friction values, and typical slope angles in human-triggered avalanches.
From: Mechanisms of slab avalanche release and impact in the Dyatlov Pass incident in 1959
a Terrain map of the Dyatlov Pass—indicated by the red circle (adapted based on JAXA aster data, from USGS Earth Explorer, NASA, USGS, JAXA, CC BY 2.5), blue triangle and black crosses indicate locations of the tent and of the hikers’ bodies, respectively. b Slope angles reported for 139 accidentally triggered avalanches11. c Dynamic friction-angle distribution based on van Herwijnen et Heierli.13. Green = faceted types of crystals (depth hoar, faceted crystals, rounded facets, and surface hoar), black = new snow, decomposed and fragmented crystals, and rounded grains.
