Hazards

Pyroclastic flows are a rare occurrence at Mount Adams, but it is possible for them to occur.

Lava flows are the most likely type of future eruptive event, but they do not pose as much of a hazard as landslides or lahars because they move slowly (a person can out run a lava flow) with relatively predictable flow pathways

In comparison to other volcanoes in the Cascade Range, Mount Adams has had very few explosive eruptions that produced tephra.

Debris avalanches can be both large and small and pose relative sized threats.

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

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.