Mount St. Helens: 30 Years of Change
- Mwaka: 2011
- Nchi: United States of America
- Aina: Documentary
- Studio: Compel Media
- Neno kuu: volcano, volcanic eruption, washington state, nature documentary, mount st helens
- Mkurugenzi: Kyle Justice
- Tuma: Mark Hendricks, Bill Lehning, Mark Nelson, John Bishop, Peter Frenzen, Dick Ford
