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Pyroclastic Flows

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Map of the extent of Newberry lavas including approximate ages of s...

Eruption History of Newberry Volcano

Eruption history of Newberry Volcano.
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Cascades Volcano Observatory, Newberry
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Eruption History of Newberry Volcano

Eruption history of Newberry Volcano.
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North-facing view of the 4-by-5 mile Newberry Caldera from the top ...

Features of Newberry Caldera

The present 6.5 by 8 km (4 by 5 mi) caldera at Newberry Volcano's summit formed about 75,000 years ago by a major explosive eruption and collapse event.
By
Cascades Volcano Observatory, Newberry
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Features of Newberry Caldera

The present 6.5 by 8 km (4 by 5 mi) caldera at Newberry Volcano's summit formed about 75,000 years ago by a major explosive eruption and collapse event.
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Map of Newberry National Volcanic Monument with the youngest lava f...

Post-Mazama Eruption Products from <7,700 years ago

Newberry Volcano has seen many eruptions in just the last 7+ millennia.
By
Cascades Volcano Observatory, Newberry
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Post-Mazama Eruption Products from <7,700 years ago

Newberry Volcano has seen many eruptions in just the last 7+ millennia.
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Ash-flow tuff outcrop on the northwest flanks of Newberry Volcano, ...

Pyroclastic Flows are Rare, but Potentially Destructive, at Newberry

Eruptions of hot ash, pumice, and gas formed a pyroclastic flow deposit 75,000 years ago that can be seen at the base of the cliffs of Paulina Creek Falls.
By
Cascades Volcano Observatory, Newberry
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Pyroclastic Flows are Rare, but Potentially Destructive, at Newberry

Eruptions of hot ash, pumice, and gas formed a pyroclastic flow deposit 75,000 years ago that can be seen at the base of the cliffs of Paulina Creek Falls.
Learn More