According to the ranking created by the U.S. Geological Survey, these are the top 3 volcanoes included in the “very high threat” category:
Volcano Kilauea, Hawai
Kilauea, also called Mount Kilauea, is the world’s most active volcanic mass. It is located on Hawaii, the southernmost and largest of the island chain, which owes its existence to the very active Hawaiian hot spot.
The youngest Hawaiian shield volcano’s 4,090-foot summit has collapsed to form a caldera, a broad shallow depression nearly 3 miles long and 2 miles wide with an area of more than 4 square miles.
Kilauea volcano is near-constantly erupting -about 54 times in the 20th century- from vents either on its summit (caldera) or on the rift zones.
Mount St. Helens, Washington
Mount St. Helens is a volcano located in Washington, about 55 miles northeast of Portland, Oregon, and 95 miles south of Seattle. Over the last 500 years, Mount St. Helens has had at least four major explosive eruptions and many minor eruptions.
Mount St. Helens was once a beautiful, symmetrical example of a stratovolcano, rising to 9,600 feet above sea level. Then, on May 18, 1980, the once-quiet volcano erupted and blasted off the upper 1,000 feet of the summit. A horseshoe-shaped crater and a barren wasteland were all that remained. That was the first eruption in the continental United States outside of Alaska since 1917.
Mount Rainier, Washington
Mount Rainier soars almost 3 miles (14,410 feet) above sea level and looms over the expanding suburbs of Seattle and Tacoma, Washington.
Each year millions of visitors come to admire the volcano and its glaciers, alpine meadows, and forested ridges, nevertheless the volcano’s beauty is deceptive: U.S. Geological Survey (USGS) research shows that Mount Rainier is one of our Nation’s most dangerous volcanoes, not only in terms of its potential for eruption, but also the risk of producing major debris flows even without eruption.
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