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Hazards

Volcanic hazards at Mount Jefferson.

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Volcano Hazards Around Mount Jefferson

Numerous hazards can occur at composite volcanoes like Mount Jefferson including lava flows and domes, pyroclastic flows, ballistics, tephra fall, lahars and debris avalanches.
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Volcano Hazards Around Mount Jefferson

Numerous hazards can occur at composite volcanoes like Mount Jefferson including lava flows and domes, pyroclastic flows, ballistics, tephra fall, lahars and debris avalanches.
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Lava Flow Hazards at Mount Jefferson

Lava flows can occur either as an eruption from Mount Jefferson or from a vent located in the surrounding volcanic region
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Lava Flow Hazards at Mount Jefferson

Lava flows can occur either as an eruption from Mount Jefferson or from a vent located in the surrounding volcanic region
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Ash and Tephra Fall Hazards at Mount Jefferson

Eruptions from Mount Jefferson, a nearby monogenetic vent, or a more distant volcano has the potential to impact the local communities, especially those downwind of the tephra plume.
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Ash and Tephra Fall Hazards at Mount Jefferson

Eruptions from Mount Jefferson, a nearby monogenetic vent, or a more distant volcano has the potential to impact the local communities, especially those downwind of the tephra plume.
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Lahar Hazards at Mount Jefferson

One of the greatest concerns during a future eruption from Mount Jefferson is the possibility of large lahars entering reservoirs on either side of the volcano, namely Detroit Lake to the west and Lake Billy Chinook to the east.
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Lahar Hazards at Mount Jefferson

One of the greatest concerns during a future eruption from Mount Jefferson is the possibility of large lahars entering reservoirs on either side of the volcano, namely Detroit Lake to the west and Lake Billy Chinook to the east.
Learn More