Mystery Atlas
Theory

Slab Avalanche Hypothesis

The explanation, formally adopted by Russian prosecutors in 2020 and physically modelled by Alexander Puzrin and Johan Gaume in 2021, that a delayed, localised slab of wind-packed snow released above the Dyatlov group's tent, forcing their flight and causing the ravine group's fatal injuries.

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Theories & Explanations

  • Slab Avalanche Hypothesis is frequently compared to Tunguska Cosmic Airburst Explanation — Both are physically-modelled, decades-later explanations for a mid-20th-century Soviet-era mystery whose original investigation could not identify a mechanism.

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