undersea volcanoes, Japan lies near the Ring of Fire
The Japanese islands were mostly formed by volcanoes erupting over centuries. The volcanoes were caused by a lithospheric slab which helped in making Japan's curved (arc) shape.
It is not so much that volcanoes tend to occur on islands as much as many islands are formed by volcanoes. Subduction zones and hot spots often cause volcanoes to develop on the sea floor. Erupted material then piles up to form islands.
About 60
200
There are approximately 1500 active volcanoes in the world, and many of them are located on islands. It is estimated that there are hundreds of volcanic islands globally, but the exact number can vary as new volcanic activity can create or alter islands over time.
80
There are many islands that were built by volcanoes, commonly known as volcanic islands. Some examples include Hawaii, Iceland, and the Galapagos Islands. These islands were formed through volcanic activity, where magma rises to the surface and solidifies to create land masses.
There are several hundred volcanoes that are in South America. Of those volcanoes, there are between 200 and 300 that are active.
The Pacific Ocean has many small scattered islands that were formed from the tips of extinct volcanoes. These types of islands are known as volcanic islands or seamounts and can be found throughout the Pacific's vast expanse.
Both shield volcanoes and stratovolcanoes can form islands.
None. The Bahamas are not volcanic. They are reef islands.