volcanoes | Ask Dr. Universe | Washington State University

How many volcanoes are in the world? – Garrett, 10, Maryland

December 11, 2025 melissamayer

Dear Garrett,

On very clear days, I can see five volcanoes from my campus. They’re Rainier, Hood, Adams, St. Helens and Baker. That’s…a lot.

I asked my friend Katie Cooper about it. She’s a geophysicist at Washington State University.

Students walk down a pathway at WSU Vancouver with a red brick academic building visible to the left and St Helens shown at the end of the path

Check out the view of Mt. St. Helens from the … » More …