68 million metric tons

March 2nd, 2014

NASA's Earth Observatory site has before and after images of a landslide in Southeastern Alaska that took place just a couple of weeks ago:

Using imagery from the Landsat 8 satellite, scientists have confirmed that a large landslide occurred in southeastern Alaska on February 16, 2014. A preliminary estimate suggests the landslide on the flanks of Mount La Perouse involved 68 million metric tons (75 million short tons) of material, which potentially makes it the largest known natural landslide on Earth since 2010.

The photos weren't worth embedding here in cropped form: you should follow that link and see what a 75,000,000 ton landslide looks like.1

  1. Short answer: 'impressive', if viewed from a safe distance. If you'd been in the vicinity at the time, you'd probably have used the word 'terrifying' if you lived long enough.

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