Fiery explosions, boiling lava, hot ash spewing everywhere -- total disaster is probably the first thing that comes to mind when you think "volcano." And, yes, that is certainly a possibility. But do you know what’s really going on when a volcano erupts?
How many volcanoes are erupting around the world on any given day?
About how many volcanoes erupt every year around the world?
Mount Etna in Sicily, Italy, has been erupting regularly for longer than any other volcano in the world. How many years has it been?
What was the largest volcanic eruption (in terms of lava emissions) in modern times?
Mount St. Helens (Oregon)
Mount Tambora (Indonesia)
What's the largest volcano in the world?
Mauna Loa, Hawaii
When Mount St. Helens erupted in 1980, it was the first volcanic eruption on the United States mainland since 1915. Which volcano erupted in 1915?
Lassen Peak (California)
Mount St. Helens (Washington)
Mount Rainier (Washington)
What's the difference between a Hawaiian and a Strombolian eruption?