To entice people to click the link, today this place is known as Crater Lake in Oregon, who formation via the eruption of Mount Mazama was so tremendously earth-shattering that records of the event were passed down via oral history for seven thousand years by the Klamath people.
You can still see the ash layer from the soon-to-be-Crater Lake eruption hundreds of miles away on hillsides and in gullies. [0] It's as much as 8 inches thick in the Okanogan in Washington State. That's 400+ miles away.
