1994 Memorial Hwy OpensMay 13, 1994Oct. 2, 2004 Evacuation of Johnston RidgeAugust 2, 2004 1997 Johnston Ridge Opens The U.S. Forest Service opens the Johnston Ridge Observatory five miles from the crater. MtStAdmin Related postsJuly 13, 2008July 13, 2008 Eruptions EndRead moreFebruary 13, 2008Early 2008 Dome BuildingRead moreMay 13, 20052005 – Present Seismic Activity ResumesRead more Leave a Reply Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.