text: GPS watches Mount St. Helens Even as Mount St. Helens threatens to erupt, scientists are planning a network of Global Positioning System receivers to map the volcano #39;s movement and help predict the likelihood of an eruption.
inputs: GPS watches Mount St. Helens Even as Mount St. Helens threatens to erupt, scientists are planning a network of Global Positioning System receivers to map the volcano #39;s movement and help predict the likelihood of an eruption.