Foulness Island level, which was above the danger level for this part of the Essex coast. This level in itself was not a danger to the island, as the sea walls had been raised and strengthened between 1951 and 1952 by the War Office, and were above mean sea level. However, the high water was accompanied by strong winds, creating large waves, which broke over the top of the defences, washing away the earth banks on the inland side of the walls. Two sections of the wall breached, from Rugwood Head to Asplin's Head on the eastern side of the island, and
Geography of the Falkland Islands Speedwell Island (51 km), and George Island (24 km). Other islands off the Lafonia coast include Bleaker Island (21 km), Sealion Island, Lively Island (56 km), Barren Island. In addition, Beauchene Island, a rocky outcrop lies some from the Lafonia coast. Many of the islands are nature reserves, either in whole or in part. The Patagonian Shelf, which in ancient geological time was part of Gondwana and which broke from what is now Africa, drifted westwards relative to Africa. It is now the widest continental shelf in the world covering . It protrudes some into the South Atlantic Ocean from