Originally posted by Nerevar:

it depends on where your base is. an island base wont see any raid events.

its also hugely random. i had 3 raids events in 1 hour 2 days ago and havent had any since then. there is a CHANCE for a raid event. its not 100% to happen.

Island bases do get raid events. It's just that those monsters usually won't be able to get to you.

I've had a whole load of "foul smell of the swamp" events while being at my island base, as well as Greydwarfs from an event and a "the ground is shaking" a lot earlier. But at some point they never got to me, making me decide not to even bother with them anymore.

Thorin :)