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jks
yes it is
Volcanoes that are underwater, known as submarine volcanoes. The deepest one is the Submarine 1922 in the Celebes Sea near the Sanghie Islands of Indonesia, and it is 16,000 feet (5,000 meters) below sea level.
There are more then 8,000 underwater volcanoes. America had the most biggest eruption worldwide by 5 metres down by sea.
Volcanoes aren't exactly hidden, but over the years, the sea level gets higher & higher, & some volcanoes go underwater, were we cannot see them at all.
All volcanoes have some dangers, of course. Some underwater volcanoes can lead to tsunamis or other forms of water disasters. Land volcanoes spit ouot hot ash and lava and molten rock, and smoke as well, so much so that you could be burned alive by boiling hot ash, choked to death by smoke or gas or burned by lava, or even crushed by falling rock.
Experts estimate there could be around 3 million submarine volcanoes in the world. Due to constant shifts in plate tectonics and the amount of inactive/unidentifiable volcanoes, the exact number is unknown.
fungi
An underwater volcano can cause pillow basalts and rare tsunamis. Underwater volcanoes are formed by hot spots in the Earth's mantle.
yes there is volcanoes under the water in and sea in the artic ocean and they are more dangerous because they got poison in them and they can kill a lot of people and animals
the skeletons of tiny sea animals
-The Hawaiian islands are actually underwater volcanoes that rose up out of the sea. So the Hawaiian islands were built up by the volcanoes.- On the other hand (i don't have to explain this) volcanoes cause destruction.So yes!