Special Report

This Is the Most Dangerous Volcano in America

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6. Mount Hood, Oregon
> Overall threat score: 178
> Population within 30 km (approx. 18 miles): 9,721
> Population within 100 km (approx. 30 miles): 2,067,520
> Most recent eruption year: 1866

5. Mount Shasta, California
> Overall threat score: 178
> Population within 30 km (approx. 18 miles): 19,785
> Population within 100 km (approx. 30 miles): 265,016
> Most recent eruption year: 1250

4. Redoubt Volcano, Cook Inlet, Alaska
> Overall threat score: 201
> Population within 30 km (approx. 18 miles): 01
> Population within 100 km (approx. 30 miles): 32,410
> Most recent eruption year: 2009

3. Mount Rainier, Washington
> Overall threat score: 203
> Population within 30 km (approx. 18 miles): 3,187
> Population within 100 km (approx. 30 miles): 2,667,609
> Most recent eruption year: 1450

Source: Tashka / iStock via Getty Images

2. Mount St. Helens, Washington
> Overall threat score: 235
> Population within 30 km (approx. 18 miles): 2,221
> Population within 100 km (approx. 30 miles): 2,173,101
> Most recent eruption year: 2008

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