The Building of Barley Cove Hotel, Goleen, West Cork, 1968 Evidence of Lisbon Earthquake 1756?

When the swimming pool was being constructed it was necessary to go down to a depth of 16 feet through the sand to reach a hard surface. At the bottom was a ship’s anchor. Tis ties in with the theory that the nearby sand dunes wee created by the Tsunami after the Lisbon Earthquake of 1756