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Rising sea levels cut Tasmania off from mainland Australia about 10,000 years ago and by the time of European contact, the Aboriginal people in Tasmania had nine major nations or ethnic groups. [33] At the time of the British occupation and colonisation in 1803, the indigenous population was estimated at between 3,000 and 10,000.
First arriving in Tasmania (then a peninsula of Australia) around 40,000 years ago, [citation needed] the ancestors of the Aboriginal Tasmanians were cut off from the Australian mainland by rising sea levels c. 6000 BC. They were entirely isolated from the outside world for 8,000 years until European contact.
History of Tasmania. The history of Tasmania begins at the end of the Last Glacial Period (approximately 12,000 years ago) when it is believed that the island was joined to the Australian mainland. Little is known of the human history of the island until the British colonisation of Tasmania in the 19th century.
Precipitation occurs fairly evenly throughout the year and averages 1,002.1 mm (39.45 in) annually. Macquarie Island is one of the cloudiest places on Earth with an annual average of only 862 hours of sunshine (similar to Tórshavn in the Faroe Islands). Annually, there is an average of 289.4 cloudy days and just 3.5 clear days. [31]
Tasmania, the largest island of Australia, has a landmass of 68,401 km 2 (26,410 sq mi) and is located directly in the pathway of the notorious "Roaring Forties" wind that encircles the globe. To its north, it is separated from mainland Australia by Bass Strait. Tasmania is the only Australian state that is not located on the Australian mainland.
An approximate time-scale of events. in the Geological history of Tasmania. Axis scale is in millions of years ago. The earliest geological history is recorded in rocks from over 1,270 million years ago. [1] Older rocks from western Tasmania and King Island were strongly folded and metamorphosed into rocks such as quartzite.
Tasman Sea. The Tasman Sea is a marginal sea of the South Pacific Ocean, situated between Australia and New Zealand. It measures about 2,000 km (1,200 mi) across and about 2,800 km (1,700 mi) from north to south. The sea was named after the Dutch explorer Abel Janszoon Tasman, who in 1642 was the first known person to cross it.
Max. depth. 155 m (509 ft) Bass Strait (/ bæs /) is a strait separating the island state of Tasmania from the Australian mainland (more specifically the coast of Victoria, with the exception of the land border across Boundary Islet). The strait provides the most direct waterway between the Great Australian Bight and the Tasman Sea, and is also ...