MOUNT ST. HELENS ERUPTION

Watch a video about the eruption of Mt. St. Helens in the United States. Describe some of the effects this disaster had on the surrounding ecosystems. Do you think it affected landforms? How?

http://www.youtube.com/watch?v=-H_HZVY1tT4&feature=related

Watch another video showing how this area looked 30 years after the disaster (2010), compare what you see with the previous video, how has it changed? How have landforms changed? How is the ecosystem different now?

 http://www.youtube.com/watch?v=mRDZbx3J5I0&feature=related

Read the story of Mt. Saint Helens eruption:

 http://www.ngdc.noaa.gov/hazard/stratoguide/helenstory.html


Go to the following link and observe how changes in the Mt. St. Helens ecosystem have occurred...


http://ngm.nationalgeographic.com/2010/05/mount-st-helens/blast-zone-animation


Below is a picture of how the area looked after the eruption: