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Volcano Tours
Our expert volcanologists and photographers offer unique travel experiences:
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Land of Theseus
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Volcanoes and Spices
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3-17 Oct 2025:
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Frequently asked questions about volcanoes
Updated: May 16, 2024 00:26 GMT
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Volcanoes: general questions
What is a volcano?
Where are the most active volcanoes?
Why are volcanoes called
active
even when there is no eruption?
Has worldwide volcanic activity been increasing recently?
How do you know when a volcano is not going to erupt anymore?
How would you find out if a volcano was going to explode?
How dangerous are volcanoes?
Volcanic features:
What are volcanic rocks?
What are fumaroles?
What are the relationships between geysers and volcanoes?
Volcanoes: facts and figures
How many volcanoes are there in the world
How many volcanic eruptions occur every year?
How many volcanoes can erupt at once?
How many volcanoes have been active in 2019 or another year? (stats)
Which is the world's largest volcano?
Which is the world's highest volcano?
Which was the world's biggest eruption?
Which is the most dangerous volcano?
Science of volcanology
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