Tag Archives: Lake Manicouagan

It was a little tougher 214,000,000 years ago

Posted on September 28, 2009 by Doc Searls

Above is the best (or the widest) shot I could get of Lake Manicouagan, which is the largest visible impact crater on Earth. Only three (or maybe four) are larger and none are visible. The Manicouagan impact event happened about … Continue reading →

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