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volcanic hazards

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Mitigating Volcanic Hazards part of Environmental Geology:Activities
Lynne Elkins, University of Nebraska at Lincoln
This activity spans two in-class sessions of 1-1.5 hours each, and includes both a small group activity focused on a set of volcanic case studies and a full-class role-playing activity where the class must decide, ...

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What are Volcanic Hazards? part of Videos:Video Gallery
In this video we will describe the most common types of volcanic hazards associated with a volcanic eruption. We begin by considering the threat of an eruption from a Cascade Range volcano for citizens of Portland and Seattle. These are examples of composite volcanoes. Eruptions of these types of volcanoes produce tephra, lahars, pyroclastic flows and lava. Tephra represents the debris blasted into the air and can range in size from tiny glass shards to large blocks blasted out of the volcanic cone. When tephra combines with water it forms lahars that can transport all sizes of debris. Fast moving, toxic pyroclastic flows are among the most dangerous volcanic hazards. Lava plays a relatively modest role in eruptions of composite volcanoes but is a common product of shield volcanoes such as those in Hawaii.

Quiz for What are Volcanic Hazards? video part of Videos:Activities
David McConnell, North Carolina State University
Six question quiz (w/answer key) associated with What are Volcanic Hazards? video

Viscosity experiments: physical controls and implications for volcanic hazards part of Petrology:Teaching Examples
Ben Edwards, Dickinson College
This activity is a laboratory-style exercise that involves investigating the physical controls on viscosity by pouring different syrup mixtures down an inclined plane and using Jeffreys equation to calculate ...

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Volcanic Hazards teaching strategies and activities part of Hazards:Webinars:Discussions
« Teaching about Hazards DiscussionsVolcanic Hazards teaching strategies and activities   Katryn Wiese Feb, 2012 What kinds of activities and strategies do you use to address volcanic hazards? 5492:18475 ...

Virtual Field Trip to Mt. Vesuvius part of Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Katherine Kelley, University of Rhode Island
This is a virtual field trip to Italy's Mt. Vesuvius, which explores the 79AD eruption of the volcano. Students explore the excavated cities of Pompeii and Herculaneum, as well as the different types of ...

Taking the Pulse of Yellowstone's "Breathing" Volcano part of Structural Geology and Tectonics:Structure, Geophysics, and Tectonics 2012:Activities
Beth Pratt-Sitaula, EarthScope; Shelley E Olds, EarthScope Consortium
In this activity, students learn about volcanism in Yellowstone National Park, focusing on its history of eruptions, recent seismicity, hydrothermal events, and ground deformation. They learn how scientists monitor ...

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Volcanoes around the Globe (Beta test copy) part of Introductory Courses:Activities
Mark Abolins, Middle Tennessee State University
Undergraduate non-majors use the Arcview geographic information system (GIS) to explore volcanic hazards and the geochemistry of volcanic rocks. Students explore geochemical data from the GEOROC global database and ...

Virtual Field Trip to Laki Fissure part of Enhance Your Teaching:Teaching with Online Field Experiences:Activities
Katherine Kelley, University of Rhode Island
This is a virtual field trip to Iceland's Laki Fissure, which explores the 1783 eruption as a type example of a large historical lava flow eruption that had a significant impact on the local human population ...

Applying Lessons Learned to the Volcanic Risk at Mt. Rainier part of Teaching Methods:Jigsaws:Examples
Laurel Goodell, Princeton University
In this jigsaw-method activity on subduction zone volcanism, students apply lessons learned from four historic eruptions to the volcanic hazards associated with Mt. Rainier in the Pacific Northwest.