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Exploring Mount St. Helen's: Past and Present Eruptions

Discover the geological wonders of Mount St. Helen's from pre-1980 to post-eruption phenomena, including pumice plains and new dome growth. Photos from USGS CVO meetings at various volcanic sites.

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Exploring Mount St. Helen's: Past and Present Eruptions

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Presentation Transcript

  1. All photos from USGS

  2. Monday Morning Meeting at CVO

  3. KOHALA MAUNA KEA HUALĀLAI KĪLAUEA Pu`u `Ō`ō MAUNA LOA

  4. Mount St. Helen’s: pre-1980

  5. Mount St. Helen’s: pre-1980, building bulge

  6. Mount St. Helen’s: May 18th, 1980

  7. Mount St. Helen’s: post eruption

  8. Mount St. Helen’s: 2004 New dome growth Pumice plains

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