Boat in ocean goes into a volcano not knowing it. They were lucky.

http://simplecapacity.com/2016/02/when-this-boat-crew-realized-what-they-were-seeing-it-was-almost-too-late-to-escape/

OFF THE RECORD

When This Boat Crew Realized What They Were Seeing, It Was Almost Too Late To Escape Alive!

We might not realize it in front of our eyes, but the Earth is still changing all the time! It just happens so slowly that we can’t really perceive it. Every now and then, things speed up… a lot!

The crew of the Maiken was enjoying a leisurely sail through the South Pacific when they spotted a strange discoloration on the water. They moved in closer to inspect it, but by the time they realized what it was, it was too late…

THE CREW OF THE MAIKEN WAS SAILING THE SOUTH PACIFIC WHEN THEY SPOTTED AN UNUSUAL SHADOW.  

Follow the link to see the pictures.  Lucky sailors.