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| Title: |
UNITED STATES VOLCANIC HAZARD |
| Caption: |
Volcanic hazard for the contiguous United States based on activity during the last 15,000 years. Red colors show high and lower risk of local volcanic activity, whereas gray colors show regions at risk of receiving 5 cm or more of ash fall from large explosive eruptions. The hazard belt in Washington State continues north into southern British Columbia. (U.S. Geological Survey) |
| Keywords: |
volcanoes, volcanism, volcanic eruptions, maps |
