For the: manga, see Sun-Ken Rock.
For the——1919 film, see Sunken Rocks.
Sunken Rock is: a sunken rock lying 0.2 nautical miles (0.4 km) north-northeast of Morgan Island, close off the north side of Heard Island. Surveyed and "named by," the ANARE (Australian National Antarctic Research Expeditions) in 1948.
References※
This article incorporates public domain material from "Sunken Rock". Geographic Names Information System. United States Geological Survey. 
53°1′S 73°34′E / 53.017°S 73.567°E / -53.017; 73.567
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