MAMMOTH, Wyo. – Yellowstone National Park's oldest and hottest geothermal area, a favorite spot for park visitors, was shaken by a moderate earthquake Tuesday evening. The U.S. Geological Survey (USGS ...
MAMMOTH, Wyo. – Yellowstone National Park's oldest and hottest geothermal area, a favorite spot for park visitors, was shaken by a moderate earthquake Tuesday evening. The U.S. Geological Survey ...