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The core of ecorisQ is made of its members. By joining ecorisQ you will expand your professional network and profit from transparent tools in the field of natural hazard risks. Being an ecorisQ member demonstrates that you are willing to increase the transparancy and reproducibility of natural hazard analyses and that you promote sustainable protection against natural hazards.  

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Here is a relatively stable film showing rebound heights and distances, as well as the stochastic nature, of falling rocks in the Grand Couloir on the Mont Blanc. It shows very well that on steep bedrock and talus (or scree) slopes, rebounds can be impressivily high and long (> 40 m).

rockfall grand couloir