The 1975 Devastation Glacier landslide was a massive rock avalanche that originated from Devastation Glacier on the southern flank of the Mount Meager massif on July 22, 1975. It had a volume of and buried and killed a group of four geologists at the confluence of Devastation Creek and Meager Creek. References Devastation Glacier Natural disasters in British Columbia Mount Meager massif 1975 in British Columbia Devastation Glacier landslide 20th-century volcanic events 1975 disasters in Canada