On 08/05/2019 02:44, Sean Donelan wrote:

Of course, any fictional scenario is more likely to hit an ocean or miss the planet. But that makes for a dull exercise.

An ocean impact needn't be boring. It would potentially create megatsunamis over a possibly wide area on multiple coasts. Even cities away from coasts but on rivers could be affected.

A large ocean impactor could even damage undersea cables.

-- 
Mark Rousell