# Mt Redoubt 2009-03-21 1237756418 ak231

- By: Cyrus Read, AVO/USGS
- Date: 2009-03-21
- Classification: Photograph
- Credit line: http://www.avo.alaska.edu/image_full.php?id=16911
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Mt_Redoubt_2009-03-21_1237756418_ak231.JPG)
- Rights: Public domain
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/6/65/Mt_Redoubt_2009-03-21_1237756418_ak231.JPG/1920px-Mt_Redoubt_2009-03-21_1237756418_ak231.JPG
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Fumarole on Mount Redoubt, Alaska, USA. One day before the eruption of 2009-03-22 the volcano shows steam venting and the summit glacier melting and breaking in an "ice piston" feature.