Cape Morse is a low, ice-covered cape which marks the east side of the entrance to Porpoise Bay

Porpoise Bay, Antarctica

Porpoise Bay is an ice-filled embayment about wide indenting the coast of Antarctica between Cape Goodenough and Cape Morse. The United States Exploring Expedition under Charles Wilkes applied the name "Porpoise Bay", after the USEE brig "Porpoise", to a large bay at about 66°S, 130°E...

 and forms the division between Banzare Coast

Banzare Coast

Banzare Coast , part of Wilkes Land, is that portion of the coast of Antarctica lying between Cape Southard, at 122°05′E, and Cape Morse, at 130°10′E. It was seen from the air by the British-Australian-New Zealand Antarctic Research Expedition, in 1930–1931, led by Douglas Mawson. The name by...

 and Clarie Coast

Clarie Coast

Clarie Coast, called Wilkes Coast by Australia, is that portion of the coast of Wilkes Land lying between Cape Morse, at 130°10′E, and Pourquoi Pas Point, at 136°11′E...

, Wilkes Land

Wilkes Land

Wilkes Land is a large district of land in eastern Antarctica, formally claimed by Australia as part of the Australian Antarctic Territory, though the validity of this claim has been placed for the period of the operation of the Antarctic Treaty, to which Australia is a signatory...

. It was delineated from air photos taken by USN Operation Highjump

Operation Highjump

Operation Highjump , officially titled The United States Navy Antarctic Developments Program, 1946-1947, was a United States Navy operation organized by RADM Richard E. Byrd Jr. USN, , Officer in Charge, Task Force 68, and led by RADM Richard H. Cruzen, USN, Commanding Officer, Task Force 68....

 (1946-47), and named by the Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN) for William H. Morse, purser's steward on the brig Porpoise of the United States Exploring Expedition

United States Exploring Expedition

The United States Exploring Expedition was an exploring and surveying expedition of the Pacific Ocean and surrounding lands conducted by the United States from 1838 to 1842. The original appointed commanding officer was Commodore Thomas ap Catesby Jones. The voyage was authorized by Congress in...

 (1838-42) under Charles Wilkes

Charles Wilkes

Charles Wilkes was an American naval officer and explorer. He led the United States Exploring Expedition, 1838-1842 and commanded the ship in the Trent Affair during the American Civil War...

.

Located about 3 miles southwest of Cape Morse, the Morse Glacier (66°21′S 130°5′E) is a channel glacier

Glacier

A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

flowing to the east side of Porpoise Bay. It was also mapped from the air photos taken by Operation Highjump.

Due to an inadvertent error, the names of these locations were incorrectly spelled "Cape Mose" and "Mose Glacier" for a number of years.