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Exhibit
Planning Texas Office: California Office: 979-985-5397
The Johnston Ridge Observatory interpretive displays outline the sequence of geologic events that altered the landscape and created a new period in Mount St. Helens. The observatory is the closest center to the volcano, offering spectacular views of the still-steaming lava dome, crater, pumice plain and landslide deposit. A wide-screen 280-seat theater presentation concludes with the drapes being opened to reveal the crater of Mount St. Helens. In the 10,000 square-foot exhibit hall, visitors are taught about the art and science of monitoring a volcano and predicting future eruptions. Visitors also read remarkable eyewitness accounts from survivors of the volcano's eruption. Johnston Ridge was named in honor of USGS volcanologist David A. Johnston who was on duty at the USGS, Coldwater II observation post during the May 18, 1980 eruption.
MSH-Johnston
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