Map showing one-year probability of accumulation of 1 centimeter
By Volcano Hazards Program
2013 (approx.)
Detailed Description
Map showing one-year probability of accumulation of 1 centimeter (0.4 inch) or more of tephra from eruptions of volcanoes in the Cascade Range.
Sources/Usage
Public Domain.
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Related Content
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Eruptions from any volcano in the Three Sisters region, as well as from more distant volcanoes in the Cascade Range, are sources of potential tephra fall in Central Oregon communities.
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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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Although Mount Bachelor looks similar to many of the more long-lived and potentially dangerous volcanic peaks of the Cascade Range, the mountain is part of a mafic volcanic chain that poses little danger for future eruptive activity.