You must not be paying attention.
Similar to the dodgy holes that have recently manifested in South America.
Except on the other side of the planet.
This is why Vault-Co was trying to panic you ten years ago, before things like this started happening. It's getting late in the hour now.
A coincidence in Canada, to be sure.
Simply the human mind seeing patterns where there are none. No doubt a random incident without any larger implications of any kind.
(Tipped off by a reader.)