Nobody knows the answer. There could be millions,but no telescope on Earth currently is powerful enough. There are Volcanoes on Mars, the biggest one is bigger than mount Everest.
yes. volcanoes also formed the universe. God created a big volcano and it erupted and made a bunch of islands.
there are 50 volcanoes
How many volcanoes are in Costa Rico?
42 volcanoes
Italy has 12 volcanoes
there are round about 1500 volcanoes
Yes, there are many volcanoes in Africa, in many of its countries.
you people think there are about 1000 volcanoes .
There is about 1-3 volcanoes in the rainforest
There are no volcanoes near Pittsburgh.
Volcanoes of Mexico (77 volcanoes)
There are 49 volcanoes in Auckland and 48 active ones but I don't know how many dormant volcanoes there are in Auckland.