It’s time to look out over the Gulf of Naples from Mount Vesuvius on a sunny Mediterranean day! That landmass you see at the start,
The Atlantic Ocean fits our general idea of how plate tectonics works–“big crack” in the middle, with seafloor spreading towards the Americas on one side and Europe and Africa on the other. There’s a lot more going on in the Caribbean. And it involves volcanism and earthquakes, both of which are capable of kicking up a tsunami in this part of the world.