‘Sharkcano’: NASA Discovers Underwater Volcano Eruption Where Sharks Live — Sharkcano, the shark-infested volcano, erupts. Sharkcano, a genuine, erupting volcano-turned-shark-ecosystem in the southwest Pacific Ocean. Sharks have long been called Kavachi Volcano, an active undersea volcano in the Solomon Islands, home. NASA satellite photos have recently discovered plumes of discolored water above the volcano, indicating volcanic activity and the…