http://www.volcano.si.edu/education/questions/

What is a volcano?
What is an eruption?
How many active volcanoes are there in the world?
What is the world's highest volcano?
How long does an eruption last?
Has volcanic activity been increasing?
Why doesn't the Smithsonian post hazard alert levels for all volcanoes?
How do scientists forecast volcanic eruptions?

Researchers should cite this work as follows:

• Ed Venzke (2011), "GVP Frequently Asked Questions," https://theghub.org/resources/798.

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1. Global Volcanism Program
2. Language: English
3. Level: Professional development: General Public
4. Resource Type: General Information