Lava Flows
Lava Flows
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Hazards Summary for Mount Bachelor
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.
Geology and History Summary for Mount Bachelor
Mount Bachelor is a basalt to basaltic andesite summit cone that sits atop a shield volcano 15 km southeast of South Sister.
Eruption History of Mount Bachelor Volcanic Chain
Four discrete eruptive episodes are recognized.