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Irish Mountain volcano

Updated: Jun 2, 2023 04:57 GMT - refresh

Shield 2101 m / 6893 ft
Oregon, United States, 43.85°N / -121.98°W
Current status: (probably) extinct (0 out of 5)

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Typical eruption style: unspecified
Irish Mountain volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene)

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Background

Irish Mountain, a Pleistocene shield volcano SW of Williamson Mountain, was roughly estimated to be 0.25-0.73 million years (Sherrod, in Wood and Kienle, 1990). A N-S-trending chain of cinder cones cuts across Irish Mountain.
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Source: Smithsonian / GVP volcano information

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