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 Monitorização de catástrofes

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 Vulcões

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| | Introdução (http://www.esa.int/SPECIALS/Eduspace_Disasters_PT/SEMWZP2D62G_0.html) |
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 Etna

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| | Informação de Base (http://www.esa.int/SPECIALS/Eduspace_Disasters_PT/SEMX6Q2D62G_0.html) |
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 Exercícios

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| | Exercícios (http://www.esa.int/SPECIALS/Eduspace_Disasters_PT/SEM9DQ2D62G_0.html) |
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 Links

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| | Volcano World (http://volcano.oregonstate.edu/) |
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| | The Smithsonian's Global Volcanism Program (http://www.volcano.si.edu/) |
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| | The Electronic Volcano (http://www.dartmouth.edu/~volcano/) |
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| | Space Radar Images of the Earth: Volcanoes (http://www.jpl.nasa.gov/radar/sircxsar/volcanoes.html) |
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| | Weekly Volcanic Activity Report (http://www.volcano.si.edu/report/usgs/) |
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| | US Geological Volcano Hazards Program (http://volcanoes.usgs.gov/) |
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| | Volcano Events (http://www.osei.noaa.gov/Events/Volcano/) |
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| | Nordic Volcanological Center (http://www2.norvol.hi.is/) |
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| | Instituto Nazionale di geofisica e vulcanologia (http://www.ct.ingv.it/) |
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