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The Hogan Group is a collection of six (to eight)
island An island or isle is a piece of land, distinct from a continent, completely surrounded by water. There are continental islands, which were formed by being split from a continent by plate tectonics, and oceanic islands, which have never been ...
s and
islet An islet ( ) is generally a small island. Definitions vary, and are not precise, but some suggest that an islet is a very small, often unnamed, island with little or no vegetation to support human habitation. It may be made of rock, sand and/ ...
s located in the Bass Strait that define part of the border between mainland
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
and the island state of
Tasmania Tasmania (; palawa kani: ''Lutruwita'') is an island States and territories of Australia, state of Australia. It is located to the south of the Mainland Australia, Australian mainland, and is separated from it by the Bass Strait. The sta ...
. Within the jurisdiction of Tasmania, the Hogan Group forms a land border between the states of Tasmania and Victoria. The island group is officially designated unallocated
Crown land Crown land, also known as royal domain, is a territorial area belonging to the monarch, who personifies the Crown. It is the equivalent of an entailed estate and passes with the monarchy, being inseparable from it. Today, in Commonwealth realm ...
, within the Flinders Municipality in Tasmania and the
South Gippsland Shire The Shire of South Gippsland is a local government area in Victoria, Australia, located in the south-eastern part of the state. It covers an area of and, in June 2018, had a population of 29,576. It includes the towns of Leongatha, Korumburr ...
in Victoria. The Hogan Group comprises the Hogan Island,
Twin Twins are two offspring produced by the same pregnancy.MedicineNet > Definition of Twin Last Editorial Review: 19 June 2000 Twins can be either ''monozygotic'' ('identical'), meaning that they develop from one zygote, which splits and forms two ...
, Long, Round,
East East is one of the four cardinal directions or points of the compass. It is the opposite direction from west and is the direction from which the Sun rises on the Earth. Etymology As in other languages, the word is formed from the fact that ea ...
, Boundary (or North East) islets, and Seal Rock.


Location and geography

The Hogan Group is located southeast of
Wilsons Promontory Wilsons Promontory is a peninsula that forms the southernmost part of the Australian mainland, located in the state of Victoria (Australia), Victoria. South Point (Wilsons Promontory), South Point at is the southernmost tip of Wilsons Promon ...
in the Bass Strait. The islands are made up of grey and red granite and limestone. A group of fur seals live on Boundary Islet. Other plants and animals that live on and near the island group include '' Cystophora intermedia'', eelgrass, kelp, and
abalone Abalone ( or ; via Spanish , from Rumsen language, Rumsen ''aulón'') is a common name for any small to very large marine life, marine gastropod mollusc in the family (biology), family Haliotidae, which once contained six genera but now cont ...
.


History

During the
Pleistocene The Pleistocene ( ; referred to colloquially as the ''ice age, Ice Age'') is the geological epoch (geology), epoch that lasted from to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fin ...
period, the Hogan Group was part of a land bridge that connected Tasmania to mainland Australia. After the glacial period ended, the Hogan Group were the first group of islands to become isolated by rising sea levels. The Hogan Group was discovered by Europeans and named in 1801 by John Black, captain of the brig '' Harbinger'', who named the island group after Michael Hogan, the owner of his ship. There are records of settlers on the island group, who hunted seals and kangaroos and used the islands for grazing land. On 12 October 1900, the first lease was recorded and given for Hogan Island. While the original lease covered the entire island group, since 1959 the lease has only applied to Hogan Island, which has been leased by B.R. Stackhouse since 1967, who uses the island for sheep and cattle grazing. Black erred in his initial survey, placing the group further north than they actually are, which led to the Victoria-Tasmania land border on Boundary Islet.


See also

* List of islands of Tasmania


References

{{Islands of Tasmania , state=collapsed Islands of North East Tasmania Islands of Bass Strait Islands of Victoria (state) Borders of Tasmania Borders of Victoria (state)