Impact of Volcanic Ash on Air Traffic January 16, 2013 | United States Geological Survey This USGS video explains the impact of volcanic ash on air traffic and the work... Short Fuses on Super-Eruptions May 31, 2012 | Vanderbilt University Enormous volcanic eruptions with potential to end civilizations may have surprisingly short fuses, researchers have... Volcanic Hazards in California January 31, 2012 | USGS "More than 500 volcanic vents have been identified in the State of California. At least... What Happens to Pumice Rafts? September 10, 2012 | Eruptions Blog Some marine volcanic eruptions produce a vast "raft" of floating pumice that drifts about the... Alaska’s Biggest Volcanic Eruptions March 16, 2012 | Alaska Dispatch The Alaska Dispatch has a very nice article that describes some of Alaska's biggest volcanic... The Geography of People and Volcanoes April 25, 2012 | Eruptions Blog Large volcanic eruptions in the sparsely-populated areas of the world attract little attention but small... Measuring the Size of Explosive Volcanic Eruptions April 17, 2013 | Geology.com You have probably heard of the Richter Scale for measuring earthquakes, the Saffir-Simpson Scale for... Simulating Volcanic Eruptions July 31, 2012 | University at Buffalo "The experiment, a rare large-scale attempt to simulate volcanic eruptions, is drawing international attention because... |