1. Why do volcanoes erupt?
2. What are the signs that a volcano is about to erupt?
3. When do volcanoes erupt and is there a predictable pattern?
4. Where can I find information on volcanoes that are erupting now?
5. Why are some eruptions gentle and others violent?
6. How high can explosive eruptions go and how far can the ash be spread?
7. How long do eruptions last?
8. Is here a correlation between the size of an eruption and the amount of time since the volcano last erupted?
9. What is the approximate temperature of an eruption cloud?
10. At any given time, what is the average number of volcanoes that are erupting in the world?
11. What are some of the more famous volcanic eruptions?
12. Someone recently told me that volcanoes put out more pollution than cars and factories, is that true?

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