I'm fascinated by some geological events, including landslides. They happen so rapidly it's rare to get them on video, but a lucky couple in Cornwall, UK*, were at the right place at just the right time, and caught this amazing footage of several thousand tons of rocks letting go off a cliff face:
[embed width="610"]http://www.youtube.com/watch?v=ZVjr4mii3cE[/embed]
Wow! At 12 seconds in, though you can't see any rock movement, there is a crack in the cliff where debris is getting forced out, falling in a plume. The crack widens, and then WHOOSH! This was pretty small as slides go (some are longer and move far more slowly
). Some are huge, and if they fall into water can cause very, very large tsunamis; for a fun sleep full of nightmares, read up on the Lituya Bay landslide and megatsunami of 1958
. Happily, this one in England was far too small to ...
