Read more about Uttarakhand disaster was caused by massive rock and ice avalanche: Study on Business Standard. February 7 disaster in Chamoli district, that resulted in over 200 dead or missing, was result of an avalanche that dropped about 27 mn cubic metres of rock and glacier ice from nearby Ronti Peak
On 7 February 2020, the Himalayan state of Uttarakhand was devastated after a wall of rock and ice collapsed and formed a debris flow that barreled down the Ronti Gad.