Landslip about to happen?

A large crack has appeared near a stretch of the Dorset coast path. The 150ft (45m) long, 6ft (1.8m) deep crack appeared on cliffs near Bowleaze Cove, Weymouth, on a clay section of coastline. Heavier than usual rainfall since last spring has led to a number of landslip incidents.
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More information and photos from Alan Holiday, Dorset G.A.
Alan writes "I have been watching the Redcliff section for several weeks and it has been quite impressive - the section always has very good rotational slip as you have Corallian limestone over clay. We have had 50% more rainfall than normal - around 1100 mm compared to 750mm. Although the last month has been relatively dry and the processes have slowed down we seem to be in a wetter spell now. My garden had standing water again this morning after overnight rain.
I was at Lulworth and Durdle Door yesterday with some students from Salisbury and there was evidence of some impressive rock falls on the Chalk and slumps on the Wealden and Purbeck Beds."