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 214 million years ago, give or take. That was 14 million years before the end of the Triassic, which was first of the three “dinosaur ages” of the Mesozoic, an era that came to an end with the Chicxulub impact. Coming that far in advance the Manicouagan event may not have been to blame for a mass extinction, but it wouldn’t have been pleasant.
There are better photos in the series, but it was a hazy day and the one above does the best job of showing the crater’s edges.
I’ve been wanting to see (and shoot) Manicouagan for many years, but routes and weather had never obliged before. This time they did, which was cool.
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