Lahars
Lahars
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Eruption History of Glacier Peak
Timeline and information about past eruptions at Glacier Peak.
Hazards Summary for Glacier Peak
Glacier Peak tends to erupt explosively, and when the volcano reawakens the most serious hazards will impact population centers located relatively far away from the volcano.
Lahar Hazards at Glacier Peak
Past eruptions have severely affected river valleys that head on Glacier Peak.
Future Eruptions at Glacier Peak
Glacier Peak may not erupt within our lifetimes, but if it does its geographic impact would vary depending on the size of the eruption, wind direction, and type of hazards produced.