Large section of cliff collapses at West Bay on Jurassic Coast This video can not be played The moment a large section of cliff collapsed onto a beach on Dorset's Jurassic Coast has been captured on camera. The Environment Agency footage shows The Rock fall near West Bay shortly after 07:30 GMT. No-one was hurt, although two swimmers could be seen in the water a few hundred metres from The Fall . Dorset Council described The Rock fall as " substantial" and warned people to stay away from the cliffs as further landslips were possible.