Largest modern-day landslide

According to Official Guinness Records,

The landslide on Mt St Helens on 18 May 1980, was the largest ever observed by a survivor, when about 2800million m3 96,000million ft3 of rock slipped off the mountain immediately prior to the volcanic eruption. This is equivalent to a block of earth nearly one and a half kilometers high, wide, and long (0.8 miles high, wide and long).

For a complete list of 1980 records, please visit 1980 Guinness Records in United States.

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Content last updated on 2018-11-27