'Mount st helens' presentation slideshows

883 views • 76 slides

Volcanoes and global climate

Volcanoes and global climate. volcanoes. * How are they created? * Where are they located, and why? * What does the inside of a volcano look like? * How can we predict them? * What happened at Mt St Helens?. Why do they happen?.

545 views • 43 slides

Mount St Helens 18 May 1980 eruption

Mount St Helens 18 May 1980 eruption. The beast sleeps . . . On 20 March 1980, after a quiet period of 123 yr, earthquake activity resumed. Small phreatic (steam) explosions began 7 days later.

594 views • 36 slides

Introduction to Maps

Introduction to Maps. What is a map?. We usually think it has to do with JUST geography Map: n, a diagrammatic representation of an area of land or sea showing physical features, cities, roads, etc. What about population density?. Is this a map?. Electron densities

4.23k views • 31 slides

Volcanoes

430 views • 20 slides

Useful applications of radioactivity and nuclear energy

Useful applications of radioactivity and nuclear energy. Power for good... and evil. Power generation. Heat energy from the nuclear fission is used to create steam that generates electricity by turning a turbine. Dimming of the day.

756 views • 18 slides

Compositional Trends at Bezymianny Volcano (1955-2008 eruptive period)

Compositional Trends at Bezymianny Volcano (1955-2008 eruptive period). Pavel Izbekov 1 and PIRE team 2. 1 Geophysical Institute, University of Alaska Fairbanks 2 http://gps.alaska.edu/PIRE/index.html. Historical perspective: JKASP was first.

240 views • 15 slides

Volcanic Intrusions Steve Sparks (Earth Sciences )

Volcanic Intrusions Steve Sparks (Earth Sciences ). Structure of eruption columns. Volcanic plume dynamics. H = 8.1Q 0.25. Height of plume in km Q magma mass flux (thermal flux). Strong plume and weak wind. Weak plumes: strongly wind affected. High Intensity eruptions (stratosphere).

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Mount St Helens, USA, 1980

903 views • 11 slides

Tectonic Activity Volcanoes Cone Volcanoes Shield Volcanoes Composite Volcanoes

Tectonic Activity Volcanoes Cone Volcanoes Shield Volcanoes Composite Volcanoes Human effect of Volcanoes. Volcanoes are formed along two types of plate boundary: destructive and constructive .

438 views • 10 slides

volcanoes

volcanoes. By zack and Cody fan. What is a volcano. It has molten rock and very hot lava . A volcano is usually a mountain . The hotness in the lava could probably is hot enough that it can kill you in one touch . It erupts through the surface of the earth.

282 views • 8 slides

Volcanoes

Volcanoes. By Maths boy. What is a volcano. A volcano is like a hill. But it has lots of hot red and orange lava. Here is a cross section of a volcano. A volcano. About Yellowstone. Yellowstone is in usa and people youst it as a family park. A sinitist found out it was a volcano.

546 views • 8 slides

Mount saint helens

Mount saint helens. By Erin dolan, sydney Curran, Brandon follansbee , and Nick R ivelli. HISTORIAN- Mount St. Helens. Erupted on May 18 th , 1980 at 8:32 a.m. 520 million tons of ash into air. $1.1 billion in damage. 200 homes destroyed.

294 views • 6 slides

80 views • 1 slides