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This topic contains 20 replies, has 11 voices, and was last updated by Badger 1 year, 7 months ago.
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The June 2009 National Geographic has a diagram of the multiple craters left behind from Oregon to the current super volcano under Yellowstone Park. Those eruptions were massive, sending up multiple cubic miles of ejecta when they erupted. When Tamboro in southeast Asia erupted in 1815, it created “the year without a summer” in New England in 1816.
Have you ever heard of Doggerland? I had not either until a relative mentioned her DNA showed her ancestors came from there. When the level of the oceans were lower, what is now the North Sea connected Great Britain to the European mainland.
Tens of thousands of years ago, Wisconsin was covered by three glaciers, at least one of which is claimed to have been a mile or more in thickness. The topography of Wisconsin has long been known to have been created by glaciation. The capitol Madison sits atop a terminal glacial moraine.
So those volcanoes can clearly affect climate.
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