Sunken Rock is a sunken rock lying 0.2 nautical miles (0.4 km) north-northeast of

Morgan Island Morgan Island is a small island while also being the largest feature in a group of islands located east of Cape Bidlingmaier, off the north side of Heard Island in the Indian Ocean. The island group was charted as extending across "Morgan Bay" on ...

, close off the north side of

Heard Island The Territory of Heard Island and McDonald Islands (HIMI) is an Australian external territory comprising a volcanic group of mostly barren Antarctic islands, about two-thirds of the way from Madagascar to Antarctica. The group's overall size ...

. Surveyed and named by the ANARE (

Australian National Antarctic Research Expeditions The Australian National Antarctic Research Expeditions (ANARE ) is the historical name for the Australian Antarctic Program (AAp) administered for Australia by the Australian Antarctic Division (AAD). History Australia has had a long involv ...

) in 1948.

References

Rock formations of Antarctica {{Subantarctic-geo-stub