Download - Today – 4/20
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Today – 4/20Today – 4/20 Volcano Volcano
summarysummary Mt PinatuboMt Pinatubo EvaluationsEvaluations
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Fissure Eruption Kilauea January Fissure Eruption Kilauea January 19831983
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Royal Gardens Subdivision June Royal Gardens Subdivision June 19831983
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September 1983September 1983
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August 1983August 1983
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Puu O’o and Sunset CraterPuu O’o and Sunset Crater
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Mt St Helens v. San Francisco Mt St Helens v. San Francisco PeaksPeaks
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XC Today
Noon, Gallagher theater
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Last Time
Yellowstone – hotspot caldera explosions
Long Valley caldera – signs of unrest: ground swell, eqs, dying trees and animals
Movement of energy drives physical (and biological) processes
In the interiors of moons of large planets, heat is generated by “tidal friction”, i.e. gravitational energy is transformed into thermal energy, driving volcanism