St Helens

Is Mt St Helens Hazardous?

Helens blew its top, the peak is still the second most dangerous volcano in the United States, according to government estimates. (Pictures: America’s Ten Most Dangerous Volcanoes.) That’s because the Washington State volcano poses a triple threat: Mount St. What are the hazards of Mt St Helens? Lava Flows and Domes. Ash/Tephra Fall. Pyroclastic Flows. …

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