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Lahars

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Hazards Summary for Mount Adams

The greatest hazard at Mount Adams, in common with many large stratovolcanoes, is from landslides, debris avalanches, and lahars
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Hazards Summary for Mount Adams

The greatest hazard at Mount Adams, in common with many large stratovolcanoes, is from landslides, debris avalanches, and lahars
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Eruption History of Mount Adams

Eruptions from Mount Adams began about 520 ka, although scattered basaltic eruptions from the surrounding volcanic field began by about 940 ka.
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Eruption History of Mount Adams

Eruptions from Mount Adams began about 520 ka, although scattered basaltic eruptions from the surrounding volcanic field began by about 940 ka.
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Debris Avalanche Hazards at Mount Adams

Debris avalanches can be both large and small and pose relative sized threats.
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Debris Avalanche Hazards at Mount Adams

Debris avalanches can be both large and small and pose relative sized threats.
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Lahar Hazards at Mount Adams

Lahars from Mount Adams threaten the White Salmon River valley and, secondarily, the Klickitat River canyon.
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Lahar Hazards at Mount Adams

Lahars from Mount Adams threaten the White Salmon River valley and, secondarily, the Klickitat River canyon.
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Future Eruptions at Mount Adams

The geological record of activity suggests that the most probable future eruptions would be small outbursts of tephra and lava flows from vents on the summit and upper flanks of the volcano rather than from the surrounding volcanic field.
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Future Eruptions at Mount Adams

The geological record of activity suggests that the most probable future eruptions would be small outbursts of tephra and lava flows from vents on the summit and upper flanks of the volcano rather than from the surrounding volcanic field.
Learn More