Focus on Sedimentary Environments

River system on an active stratovolcano

White River, Mount Hood, Oregon, USA




Mount Hood hazards map
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Volcanic hazards map of Mount Hood area. Credit: US Geological Survey, Cascades Volcano Observatory. Based on previous eruptions of Mount Hood, and behaviour of other, similar volcanoes.

Something missing?

What is missing from this volcanic hazards map? Think about this, then

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