I’m not sure that you’re better off in the water, even if the boat is the target. Water is incompressible, so it transmits explosive force well. Maybe if you can get far enough away.
https://en.wikipedia.org/wiki/Blast_fishing
Blast fishing, fish bombing, dynamite fishing or grenade fishing is a destructive fishing practice using explosives to stun or kill schools of fish for easy collection.
Unless things have changed, North Korea doesn’t have a whole lot by way of Internet. I think they used to have two Class C netblocks, 256 IP addresses each.
kagis.
They’re apparently up to four.
https://en.wikipedia.org/wiki/Internet_in_North_Korea
The regime doesn’t like people having access to outside information.