Hayle rock collapse filmed by geologist

11 October 2011 Last updated at 04:38 ET Help

A geologist working for Cornwall Council has captured the moment when about 200,000 tonnes of rock fell into the sea near Hayle.

The collapse was recorded by geologist Richard Hocking - a soils and materials engineer for Cornwall Council.

The cliff fall happened at North Cliffs just days after part of the coastal footpath was diverted.

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