USGS Says Volcanoes Need to Be Monitored

The United States Geological Survey says that of the 169 volcanoes in the United States, thirteen are critical volcanoes that are high risk and are not well-monitored. Nine of the thirteen are in the Cascade Range of the Western United States: Rainier, Hood, Shasta, South Sister, Lassen, Crater Lake, Baker, Glacier Peak, and Newberry. The remaining four are Alaskan volcanoes: Redoubt, Makushin, Akutan, and Augustine.