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Primary and secondary impacts                                                                of volcanic activity.http://u...
Volcanowebcam
Volcano locationhttp://d-maps.com/carte.php?lib=europe_map&num_car=2233&lang=en
http://news.bbc.co.uk/weather/hi/about/newsid_8625000/8625035.stm
Iceland is located on the Mid-Atlantic                                                                                    ...
http://en.wikipedia.org/wiki/File:Ash_plume_from_Eyjafjallajokull_Volcano_over_the_North_Atlantic,_April_15,_2010_-_A20101...
Primary Impacts- occur as a direct result of the event.Secondary Impacts- occur because of a change to the       environme...
1Image c/o http://www.flickr.com/photos/prob1t/343692326/
Image c/o http://en.wikipedia.org/wiki/File:Pyroclastic_flows_at_Mayon_Volcano.jpg             2               A A common ...
Image c/o http://en.wikipedia.org/wiki/File:Lava-bomb-01.jpg             3         A mass of molten rock larger than 6.5 c...
Image c/o http://en.wikipedia.org/wiki/File:Galunggung_lahar.jpg             4           A lahar is a type of mass movemen...
Image c/o http://en.wikipedia.org/wiki/File:MtCleveland_ISS013-E-24184.jpg             5        Volcanic ash consists of s...
Image c/o http://en.wikipedia.org/wiki/File:MSH04_crater_eruption_image_1213PDT_10-01-04.jpg            6                 ...
Image c/o http://en.wikipedia.org/wiki/File:Tarom.b737-700.yr-bgg.arp.jpg             7
2010 eruption of Eyjafjallajökull revisited
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2010 eruption of Eyjafjallajökull revisited

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Introductory presentation about the 2010 eruption of Eyjafjallajökull.

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Transcript of "2010 eruption of Eyjafjallajökull revisited"

  1. 1. Primary and secondary impacts of volcanic activity.http://upload.wikimedia.org/wikipedia/commons/3/37/Fimmvorduhals_2010_03_27_dawn.jpg
  2. 2. Volcanowebcam
  3. 3. Volcano locationhttp://d-maps.com/carte.php?lib=europe_map&num_car=2233&lang=en
  4. 4. http://news.bbc.co.uk/weather/hi/about/newsid_8625000/8625035.stm
  5. 5. Iceland is located on the Mid-Atlantic Ridge. The North-American and Eurasian plates move apart- called constructive plates. This causes magma to rise to the surface and form volcanoes. The latest eruption occurred under a glacier. The water cooled the lava quickly resulting in glass particles entering the plume.http://en.wikipedia.org/wiki/File:Fimmvorduhals_second_fissure_2010_04_02.JPG
  6. 6. http://en.wikipedia.org/wiki/File:Ash_plume_from_Eyjafjallajokull_Volcano_over_the_North_Atlantic,_April_15,_2010_-_A2010105.1330.250m.jpg
  7. 7. Primary Impacts- occur as a direct result of the event.Secondary Impacts- occur because of a change to the environment as a result of the event.
  8. 8. 1Image c/o http://www.flickr.com/photos/prob1t/343692326/
  9. 9. Image c/o http://en.wikipedia.org/wiki/File:Pyroclastic_flows_at_Mayon_Volcano.jpg 2 A A common and devastating result of some explosive volcanic eruptions. The flows are fast-moving currents of hot gas and rock, which travel away from the volcano at speeds generally as great as 700 km/hr (450 mi/h). The gas can reach temperatures of about 1,000 C.
  10. 10. Image c/o http://en.wikipedia.org/wiki/File:Lava-bomb-01.jpg 3 A mass of molten rock larger than 6.5 cm in diameter, formed when a volcano erupts during a lava eruption. They cool into solid fragments before they reach the ground. Lava bombs can be thrown many kilometres from an erupting vent, and often acquire aerodynamic shapes during their flight.
  11. 11. Image c/o http://en.wikipedia.org/wiki/File:Galunggung_lahar.jpg 4 A lahar is a type of mass movement composed of ash and water that flows down from a volcano, typically along a river valley. It may occur after rainfall or if volcano with a lake or glacier erupts.
  12. 12. Image c/o http://en.wikipedia.org/wiki/File:MtCleveland_ISS013-E-24184.jpg 5 Volcanic ash consists of small bits of pulverized rock and glass created by volcanic eruptions, less than 2 mm in diameter. Cause massive disruption as can damage airplane engines, therefore causing global transport disruption. Ash can build up on house roofs causing them to collapse.
  13. 13. Image c/o http://en.wikipedia.org/wiki/File:MSH04_crater_eruption_image_1213PDT_10-01-04.jpg 6 Volcanic gases are given off from active volcanoes throughout the years as well as during an eruption. It often consists of a mix of carbon dioxide and sulphur dioxide amongst others. A significant eruption into the atmosphere can cause a volcanic winter.
  14. 14. Image c/o http://en.wikipedia.org/wiki/File:Tarom.b737-700.yr-bgg.arp.jpg 7
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