There is a description of ongoing dramatic changes to the new debris flow deposits in the Middle Fork Nooksack over on the MBVRC blog. There has been a second debris flow, on June 6th.
Debris flow update: http://mbvrc.wordpress.com/2013/06/12/more-debris-flows-in-middle-fork/
Comparative YouTube videos. June 9th video shows major changes in only four days: http://www.youtube.com/watch?v=8cepN93zOY8
Compare with the June 5th YouTube video: http://www.youtube.com/watch?v=4vVJPPwLgwM
Filed under: lahars and debris flows, landslides, Mount Baker, Mount Baker Volcano Research Center, natural hazards Tagged: | debris flows, erosion, geology video, Middle Fork Nooksack River, Mount Baker geology, young deposits