Portal:Geography/Did you know
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- ... that Viedma Glacier (pictured) is part of the huge Southern Patagonian Ice Field, the third largest expanse of continental ice after Greenland and Antarctica?
- ... that Ridge A in Antarctica has been identified as the coldest, driest, calmest place on Earth?
- ... that Mount Widerøe, Antarctica, is named for Viggo Widerøe, who flew aerial photography planes to map 80,000 km2 (31,000 sq mi) of the continent's coast?
- ... that Lake Bistineau in northwestern Louisiana was originally formed in 1800 by flooding stemming from a large log jam on the nearby Red River?
- ... that Hurricane Greta in 1956 was the largest Atlantic hurricane ever recorded?
Usage
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DYK list
Portal:Geography/Did you know/1
![Dry Fork dome at Coyote Gulch, part of the Canyons of the Escalante](http://upload.wikimedia.org/wikipedia/commons/thumb/0/06/DryForkDome.jpg/100px-DryForkDome.jpg)
- ...that sandstone layers (pictured) now exposed in the Canyons of the Escalante in Utah were deposited during the Mesozoic period, when the area was covered with sand dunes about 180 to 225 million years ago?
- ...that the Firth of Clyde is Great Britain's first seabird reserve?
- ...that Amsterdam has a concentric belt of canals around it?
- ...that the Karatoya River, a small stream in Rajshahi Division of Bangladesh, was once a large and sacred river?
- ...that Belgium's sillon industriel (steelmaking) was the first fully industrialized area in continental Europe?
Portal:Geography/Did you know/2
- ...that Hakgala Strict Nature Reserve is an important and isolated cloud forest, however its small size and isolation is jeopardizing its long term survival?
- ...that the Norwegian-British-Swedish Antarctic Expedition (1949–1952) found evidence that suggests a portion of Antarctica was once joined to southern Africa?
- ...that seismologists use isoseismal maps (example pictured) to help work out the epicenter, focal depth, magnitude and mechanism of an earthquake?
- ...that Tropical Storm Christine was the easternmost forming Atlantic tropical cyclone on record?
- ...that over 19 days, the magnitude-6 1703 Apennine earthquakes progressed southwards 36 km and killed an estimated 10,000 people?
Portal:Geography/Did you know/3
- ... that Colombia produces most of the world's emeralds (Gachalá Emerald pictured)?
- ... that Typhoon Choi-wan was the first Category 5 equivalent super typhoon on the Saffir–Simpson hurricane scale during 2009?
- ... that the Benham Plateau is located in the West Philippine Basin and its basement is probably a micro-continent?
- ... that the 10th century reservoir Surajkund and the 8th century dam Anangpur are both located in Haryana, India?
- ... that the outlying islands of Scotland include the highest sea stack in the British Isles and one of the most isolated islets in the oceans of the world?
Portal:Geography/Did you know/4
- ... that Viedma Glacier (pictured) is part of the huge Southern Patagonian Ice Field, the third largest expanse of continental ice after Greenland and Antarctica?
- ... that Ridge A in Antarctica has been identified as the coldest, driest, calmest place on Earth?
- ... that Mount Widerøe, Antarctica, is named for Viggo Widerøe, who flew aerial photography planes to map 80,000 km2 (31,000 sq mi) of the continent's coast?
- ... that Lake Bistineau in northwestern Louisiana was originally formed in 1800 by flooding stemming from a large log jam on the nearby Red River?
- ... that Hurricane Greta in 1956 was the largest Atlantic hurricane ever recorded?
Portal:Geography/Did you know/5
- ... that the Beaver River (pictured) flows through the heart of the Yukon Flats, one of the most productive waterfowl breeding areas in North America, and the most productive in Alaska?
- ... that Angammedilla National Park is designated primarily to protect the drainage basin of Parakrama Samudra?
- ... that Tanco Mine in Manitoba, Canada, is the world's largest producer of caesium?
- ... that the 1896 Meiji-Sanriku earthquake caused the most devastating tsunami in Japanese history, destroying about 9,000 homes and killing more than 22,000 people?
- ... that the Ahklun Mountains, located in the Togiak National Wildlife Refuge, support the only existing glaciers in western Alaska?
Portal:Geography/Did you know/6
- ... that the Upper Harz Water Regale (pictured), a network of dams, lakes, ditches, and tunnels built between 1536 and 1866 to supply water to the mines of the Harz mountains in Germany, is the largest of its kind in Europe?
- ... that the 1770 Port-au-Prince earthquake destroyed all the buildings of Port-au-Prince, in the French colony of Saint-Domingue (the future Haiti)?
- ... that the 2004 Indian Ocean earthquake and tsunami contaminated drinking water in wells along the east coast of Sri Lanka for one-and-a-half years after the event, according to the International Water Management Institute?
- ... that the early-February 1995 winter storm was the only major nor'easter of the 1994–1995 winter?
- ... that nearly all the trees and mangroves of La Ventanilla, Oaxaca, Mexico, were destroyed by Hurricanes Pauline and Rick in 1997?
Nominations
More "Did you know"s can be nominated here. General guidelines for nominations, loosely based on Wikipedia:Did you know include:
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Did you know that it took wells contaminated with salt water from the 2004 Asian tsunami a year and a half to return to pre-tsunami quality, according to the [International Water Management Institute]], see 2004 Indian Ocean earthquake and tsunami