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Lake Taupo is a lake situated in the North Island of New Zealand. With a surface area of 616 square kilometres (238 sq mi), it is the largest lake by surface area in New Zealand, and the largest freshwater lake by surface area in Oceania.
Lake Taupo has a perimeter of approximately 193 kilometres, a deepest point of 186 metres. It is drained by the Waikato River (New Zealand's longest river), while its main tributaries are the Waitahanui River, the Tongariro River, and the Tauranga-Taupo River. It is a noted trout fishery with stocks of introduced brown trout and rainbow trout.
The lake lies in a caldera created following a huge volcanic eruption (see supervolcano) approximately 26,500 years ago. According to geological records, the volcano has erupted 28 times in the last 27,000 years. It has predominantly erupted rhyolitic lava although Mount Tauhara formed from dacitic lava.
The largest eruption, known as the Oruanui eruption, ejected an estimated 1,170 cubic kilometres of material and caused several hundred square kilometres of surrounding land to collapse and form the caldera. The caldera later filled with water, eventually overflowing to cause a huge outwash flood.[3]
Several later eruptions occurred over the millennia before the most recent major eruption, which occurred in 180 CE. Known as the Hatepe eruption, it is believed to have ejected 100 cubic kilometres of material, of which 30 cubic kilometres was ejected in the space of a few minutes. This was one of the most violent eruptions in the last 5,000 years (alongside the Tianchi eruption of Baekdu at around 1000 and the 1815 eruption of Tambora), with a Volcanic Explosivity Index rating of 7. The eruption column was twice as high as the eruption column from Mount St. Helens in 1980, and the ash turned the sky red over Rome and China. The eruption devastated much of the North Island and further expanded the lake. The area was uninhabited by humans at the time of the eruption, since New Zealand was not settled by the Māori until several centuries later at the earliest. Taupo's last known eruption occurred around 210 CE, with lava dome extrusion forming the Horomatangi Reefs, but that eruption was much smaller than the 180 CE eruption.
The 180 eruption was one of the largest in recorded history. The skies and sunsets formed from this eruption were noted by Roman and Chinese observers. Any possible climatic effects of the eruption would have been concentrated on the southern hemisphere due to the southerly position of Lake Taupo[4]
Underwater hydrothermal activity continues near the Horomatangi vent,[5] and the volcano is currently considered to be dormant rather than extinct.
Tourism is a major business for the area, attracting over 1.2 million visitors per year. The fact that the lake is the largest fresh water lake in Australasia (and sometimes advertised as the largest in the southern hemisphere[7]), and approximately the same size as Singapore, ensures its popularity. The busiest time is the high summer season around Christmas and New Year.
The lake area has a pleasant temperate climate. Maximum temperatures range from 24°C in January to 15°C in July, while the night temperatures range from 16°C in summer down to 5°C in winter. Most rain falls in summer.[8]
The area hosts popular events like the annual Lake Taupo Cycle Challenge, a cycling tour around the lake. Going around the lake takes about four to ten hours, depending on the cyclist. Hundreds of volunteers from the Taupo township help out to ensure the event's success.
Taupo is also host to the Oxfam Trailwalker, a charity ultra-challenge held each April on a 100 km course.
The region is also famous for the sport of skydiving.
Info Taken from Wikipedia.com
Credits to Wikipedia.com
http://en.wikipedia.org/wiki/Lake_taupo
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Stan Deyo's ominous prediction for New Zealand: Vinny Eastwood 22/2/11 1/8by PlanetEarthAwakens011,786 views
Amazing,soo beautiful
gameiohfreak 1 year ago