An American National Park located in the U.S. state of Hawaii is home to one of the world's most active volcanoes, and lets visitors explore what site?
Devastation Trail Devastation Trail is a trail at Hawaiʻi Volcanoes National Park. The paved trail allows visitors to explore the site of 1959 eruption of Kīlauea Iki crater.
Volcano warning schemes of the United States In October 2006, the United States Geological Survey (USGS) adopted a nationwide alert system for characterizing the level of unrest and eruptive activity at volcanoes. The system is now used by the Alaska Volcano Observatory, the California Volcano Observatory (California and Nevada), the Cascades Volcano Observatory (Washington, Oregon and Idaho), the Hawaiian Volcano Observatory and the Yellowstone Volcano Observatory (Montana, Wyoming, Colorado, Utah, New Mexico and Arizona).