robbyedwards: RT @NASA: Mt. St. Helens exploded 30 yrs ago today. See the devastation & recovery from annual NASA satellite images. http://go.usa.gov/3lM Link May 18, 2010 Robby robbyedwards: RT @NASA: Mt. St. Helens exploded 30 yrs ago today. See the devastation & recovery from annual NASA satellite images. http://go.usa.gov/3lM