Hello!

As far as I know the End of all Things was supposed to be canon. What I'll do is I'll get back to you on that, as it does need a sort of conclusion statement.

We had a small tsunami and volcano that took out Lornius and Terrinore, and other small islands/settlements. Ashfall is when the ash rained down from the heavens, and was seen by most countries. The meteor broke up in the atmosphere and landed in bits around Corone