Newberry Caldera
Newberry Caldera
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Eruption History of Newberry Volcano
Eruption history of Newberry Volcano.
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.
Big Obsidian Flow
The Big Obsidian Flow is the youngest volcanic feature at Newberry and covers just over 2.6 square kilometers.