Smithsonian National Museum of Natural History

Webinar: Volcanoes and Pyroclastic Flows

Archived Webinar

The Zoom webinar with Geologist Ben Andrews aired June 6, 2020, as part of the Smithsonian Science How series. Watch a recording in the player above.


Join Geologist Dr. Ben Andrews to explore volcanoes and pyroclastic flows — the super-heated gas and ash that is erupted during explosive volcanic eruptions. Ben describes how these eruptions happen, what causes ash and other materials to explode, and how scientists like him study active volcanoes and pyroclastic flows.

Teaching Resources

Resource Type
Videos and Webcasts
Grade Level
3-5, 6-8
Learning Standards
Next Generation Science Standards
Earth Science