Mt. Pinatubo Major eruptions blocking Sun’s radiation Cooled global temperatures by.5-.6 degrees Centigrade
Volcanism 1815- Large eruption in the tropics; once thought to be Tambora in Indonesia –Global temperatures fell –Crops failed throughout Europe and famine spread –Mary Shelly told her house guests the story of Frankenstein and his creator died in the arctic because they were unable to go outside during their vacation
Ash fall Acts as an abrasive Clogs machinery, covers vegetation, irritates lungs and eyes Ash deposited associated with the eruption of the Long Valley Caldera Photomicrograph of ash from the Mt. Tehama eruption (Lassen Peak)
Iceland Located on the North Atlantic mid- oceanic ridge Hot spot What type of lava? Viscosity? Eruptive style?
Iceland's Eyjafjallajokull volcano Volcanic eruption under ice produces steam and other gases to propel pyroclastic debris into the atmosphere European air travel was interrupted for weeks
Mt. Yasur, May 30, 2010 Some flights rerouted or cancelled in Australia