Massive land slide in remote part of Alaska
Story
The scientists estimate that the slump contains roughly 68 million metric tons of rock ...
The geologists estimate that the landslide started at roughly 9,800 feet (3,000 meters) above sea level on a nearly vertical cliff, and then ran for roughly 3 miles (4.8 kilometers)
http://l1.yimg.com/bt/api/res/1.2/GU....jpg1393282245
Massive land slide in remote part of Alaska
For shits and giggles, the heaviest rock found in the area is basalt at approx 2.8-3 tonnes/cubic metre. So the Meager slide could have potentially been in the order of 134+ million tonnes :O