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Volcanic Hazards And Volcanism in Utah Compiled by N.A. Toké November 2014 Sources: Encyclopedia of Volcanology Hintz, 2008 – Graduate Thesis USF Geology of Millard County – Hintze et al. UGS Oviatt, 1991 – UGS Report

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Page 1: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical

Volcanic Hazards

And Volcanism in Utah

Compiled by N.A. Toké

November 2014

Sources:Encyclopedia of VolcanologyHintz, 2008 – Graduate Thesis USFGeology of Millard County – Hintze et al. UGSOviatt, 1991 – UGS Report

Page 2: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical

What is a Volcano?A crack in the surface of the Earth that is a conduit for volatile lava to escape from a magma chamber below. Usually during eruption these systems evolve form semi-symmetrical edifices of varying heights and slopes depending on the magma composition.

Page 3: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical

Quaternary Volcanism in Utah

http://geosphere.gsapubs.org/content/early/2012/10/18/GES00803.1.abstract

Page 4: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical

Western NA Volcanism

• http://www.navdat.org/animations/index.cfm

Page 5: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical
Page 6: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical
Page 7: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical

Types of Volcanic Centers

Page 8: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical
Page 9: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical
Page 10: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical

Volcanic Hazards

Page 11: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical

Lava Flow

Page 12: Volcanic Hazards - Research at UVUresearch.uvu.edu/Toke/Hazlect10.pdfGalunggung (Indonesia) Tambora (Indonesia) VEI > 5, or tephra volume > km]. All but five were the first historical