Sisson Rock

Sisson Rock (Bulgarian: скала Сисън, romanized: skala Sisson, IPA: [skɐˈla ˈsisən]) is the rock off the north coast of Livingston Island in the South Shetland Islands, Antarctica 65 m (213 ft) long in west-east direction and 37 m (121 ft) wide, and split in three. Its surface area is 0.08 ha (0.20 acres). The vicinity was visited by early 19th-century sealers.^[1]

Sisson Rock

Location of Livingston Island in the South Shetland Islands
Sisson Rock Location of Sisson Rock Show map of Antarctica Sisson Rock Sisson Rock (South Shetland Islands) Show map of South Shetland Islands
Geography
Location	Antarctica
Coordinates	62°33′57″S 61°08′52″W
Archipelago	South Shetland Islands
Area	0.08 ha (0.20 acres)
Length	65 m (213 ft)
Width	37 m (121 ft)
Administration
Administered under the Antarctic Treaty
Demographics
Population	uninhabited

Topographic map of Livingston Island and Smith Island

The feature is named after Jonathan Sisson (1690–1747), a British instrument maker who invented the modern theodolite for surveying; in association with other names in the area deriving from the early development or use of geodetic instruments and methods.

Location

Sisson Rock is located at 62°33′57″S 61°08′52″W,^[2] which is 2.26 km northeast of Essex Point, 800 m west of Window Island and 1.5 km north of Voyteh Point, according to mapping in 2009 and 2017.

See also

• List of Antarctic and subantarctic islands

Maps

• Livingston Island to King George Island. Scale 1:200000. Admiralty Nautical Chart 1776. Taunton: UK Hydrographic Office, 1968
• South Shetland Islands. Scale 1:200000 topographic map No. 3373. DOS 610 - W 62 58. Tolworth, UK, 1968
• L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2010. ISBN 978-954-92032-9-5 (First edition 2009. ISBN 978-954-92032-6-4)
• L. Ivanov. Antarctica: Livingston Island and Smith Island. Scale 1:100000 topographic map. Manfred Wörner Foundation, 2017. ISBN 978-619-90008-3-0
• Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR). Since 1993, regularly upgraded and updated