Eruption History

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The shadow of the summit of Mount Hood, Oregon on a morning cloud b...

November 6, 2023

Eruption History of Mount Hood, Oregon

Mount Hood, which has been active for at least 500,000 years, occupies a long-lived focus of volcanic activity that has produced ancestral Hood-like volcanoes for the past 1.5 million years.

Cascades Volcano Observatory, Mount Hood

November 6, 2023

Eruption History of Mount Hood, Oregon

Mount Hood, which has been active for at least 500,000 years, occupies a long-lived focus of volcanic activity that has produced ancestral Hood-like volcanoes for the past 1.5 million years.

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