Land | 13 | |
Ocean / Sea | 2 | |
Air | 1 | |
Atmosphere | 1 | |
Surface Waters / Wetlands | 1 |
Eruption | 18 | |
Earthquake | 2 | |
Flooding / Draining | 1 | |
Glacier Change | 1 | |
Tsunami | 1 |
Safety | 8 | |
Air Quality | 4 | |
Transportation | 4 | |
Buildings | 3 | |
Human Health | 2 | |
Sports / Recreation | 1 | |
Water Management | 1 |
9 | 2 | 4 | 3 |
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2 | 1 | 5 | 3 | 1 | 2 | 2 | 2 |
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SPRING | 9 | |
WINTER | 5 | |
SUMMER | 3 |
Iceland | 4 | |
Russia | 1 | |
Saint Vincent and the Grenadines | 1 | |
Tonga | 1 | |
United States | 1 |