pettigrew scarp is an escarpment nearly 0.5 nautical miles (0.9 km) long in the south part of annenkov island, south georgia. it is terminated to the southwest by a ridge, and to the northeast by three rock pinnacles. named by the united kingdom antarctic place-names committee (uk-apc) for timothy h. pettigrew, british antarctic survey (bas) geologist who worked on the island, 1972-73.