In reply to jon:
> (In reply to UKC News)
> the 2005 rockfall was estimated at 250 000 cubic metres... Have I made this up?
No Jon, that's about right. The rockfalls last weekend 'only' took out a 6m x 15m roof over a height of about 100m. They know all this 'coz the face is permanently scanned by a 3D laser system set up on the Flammes de Pierre ridge. It's mapped to an accuracy of 7cm!