No one knows for sure how many volcanoes are in the bottom of oceans. However, it is thought to be over 75 thousand.
lava from volcanos
Volcanos
There are millions of volcanoes around the world, far too many to list here. In truth, scientists don't really know how many volcanoes exist today as many are located in the oceans.
Oceans do not collide but oceanic crustal plates can collide, and when they do collide, island arcs are formed along the subduction zone.
they were unable to adapt to the volcanos that were underwater erupting into the oceans and so there were none
1500
13
220.
Not including Alaska and Hawaii, there are 59 volcanoes in the U.S. Including these states, there are 103.many
there are hundreds of mountains and volcanos under the sea but there are so many that we do not know about so it is hard to say exactly how many
there are no volcanoes on venus
12 volcanos.