It's not that cold there.
http://www.sakh.com/weather/
I suppose the fishermen were hanging out at the local pub when one of their members came running in saying, "Hey there's an ice floe out there." Bored out of their minds, the fishermen grabbed their beers, a couple of kegs, hopped on the ice floe and threw a raging party. Nobody noticed when the ice floe moved out to sea, and nobody thought to bring along a boat.
I'm sure one of them, probably the one sitting next to the keg, "Damn... We forgot to bring the vodka."
Meanwhile, on the shore, the fisherman with the peg leg, carrying a case of Russia's finest vodka got left behind. He probably said, "Well, more vodka for me."
And no, I didn't read the article to see how the Russians got stuck on an ice floe.