'Pyroclastic flow' presentation slideshows

VOLCANOLOGY

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Chapter 5 Volcanoes and Other Igneous Activity

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Volcanic Eruptions and Hazards

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Chapter 13 Fires Within: Igneous Activity (Volcanism)

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Volcanoes and Other Igneous Activity Chapter 7 (page 207)

Volcanoes and Other Igneous Activity Chapter 7 (page 207). Volcanic eruptions. Factors that determine the violence of an eruption Composition of the magma (silica content) Temperature of the magma (hot or cool) Dissolved gases in the magma (volatiles)

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Mt. Fujiyama, Japan

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Volcanoes in our Community

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Krakatoa Used by Permission of Roxcanna Bradley

Krakatoa Used by Permission of Roxcanna Bradley. www.life.uiuc.edu/bio100/lectures/s03lects/03s03-succession.html. Before the Eruption.

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History

History. Mt Tehama composite volcano built 600,000 to 400,000 years ago Mt Tehama collapse(?) and erosion Domes, glaciers and more domes Most recent activity 1914-1917. June 14, 1914 One of more than 150 steam-blast (phreatic) eruptions. May 14 th dome. May 19 th flow.

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UNIT ONE A Changing Earth

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Igneous Rocks

Igneous Rocks. Rock vs. Mineral. Rock - a naturally formed consolidated material composed of grains of one or more minerals. Mineral - a naturally occurring element or compound with a relatively constant chemical and structural composition. Three Rock Types.

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VOLCANIC LANDFORMS

VOLCANIC LANDFORMS. Contour Line. A line on a map that connects points of equal elevation of the land surface. Contour Interval. The vertical distance between the elevations represented by two successive contour lines on a topographic map. Topographic Map.

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VOLCANOES

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VOLCANOES

VOLCANOES. Types of Volcanoes & Volcanic Landforms. TYPES OF VOLCANOES. There are three basic types of volcanoes: Shield Volcano Cinder Cone Composite Cone (Stratovolcano). This diagram shows the relative sizes of the three types of volcanoes. Types of Volcanoes. Shield Volcano

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Chapter 5 Section 2: Volcanic Eruptions

Chapter 5 Section 2: Volcanic Eruptions. 6. Label the picture: lava flow, vent, crater, magma chamber, pipe. 7. What are the two types of volcanic eruptions? Quiet Explosive 8. What is silica? Material found in magma

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Journal CH 12.2 (Part 2) Volcano

Journal CH 12.2 (Part 2) Volcano. 1. VOLCANO: A mountain like feature that forms from magma coming out of it. 2. Types of Volcanoes: Composite/Strato Volcano Shield Volcanoes 3. Parts of a Volcano:. Crater or Caldera. Cone. Vent. Crust. Magma Chamber

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Mount Unzen power point

Mount Unzen power point. The number of people that died. About 15,043 have been has killed since 1792 from the volcano. 15000 died in 1792and 43 scientist and geologists died in 1991. Where is it ???. Mount U nzen it a volcano in Japan in the city Shimabra Nagasaki

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Mt. Etna

Mt. Etna. Sicily, Italy. By: Evan Hazlett & Nick Rizzo. DESCRIPTION. Mt. Etna is a composite volcano. It is the largest active volcano in Europe. Mt. Etna is very explosive, with 4 eruptions since 2006. Mt. Etna has pyroclastic flow which are small fragments rocks and other materials.

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DNB Volcanic Ash Puyehue -Cordon Caulle Volcanic Chain 12-13 Dec 2011. Afternoon. Night. Morning. (???). Nighttime pass fills in the temporal gap between last PM and first available AM visible-light observations. DNB Detection of Lava on the Big Island of Hawaii. Hot Spots .

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THE CURRENT STATE OF VOLCANIC RISK AND CRISIS MANAGEMENT AT VOLCAN DE FUEGO, GUATEMALA:

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