StoryNote logo

AskScience AMA Series: We're volcanologists with the Smithsonian Global Volcanism Program. 40 years ago today, Mount St. Helens erupted in a very big way. We are here to talk about St. Helens and volcanic eruptions. Ask us anything!

by /u/AskScienceModerator in /r/askscience

Upvotes: 3861

Favorite this post:
Mark as read:
Your rating:
Add this post to a custom list

StoryNote©

Reddit is a registered trademark of Reddit, Inc. Use of this trademark on our website does not imply any affiliation with or endorsement by Reddit, Inc.