The exact number of volcanoes is unknown. It also depends on the definition of a "volcano": for instance, there are "volcanic fields" that comprise hundreds of individual eruption centers (such as conder cones, maars, shield volcanoes) that are all relataed to the same magma chamber and that may or not be counted as a single "volcano".
There are probably millions of volcanoes that have been active during the whole lifespan of the earth. During the past 10,000 years, there are about 1500 volcanoes on land that are known to have have been active, while the even larger number of submarine volcanoes is unknown. At present, there are about 600 volcanoes that have had known eruptions during recorded history, while about 50-70 volcanoes are active (erupting) each year. At any given time, there is an average of about 20 volcanoes that are erupting.
There are approximately 1440 volcanoes in the world that have been categorized as extinct or dormant, meaning they are no longer active. These dead volcanoes are spread across various regions globally.
There are around 1,500 active volcanoes in the world, out of which about 50-70 erupt each year.
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There are hundreds of cinder cone volcanoes around the world. They are relatively common and can be found in many volcanic regions.
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There are 3 kinds of volcanoes which are found around the world. They are shield volcanoes, cinder cone volcanoes, and composite volcanoes. Many of the most beautiful mountains in the world are composite volcanoes.
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