Volcanic Hazards in California
January 31, 2012 | USGS
"More than 500 volcanic vents have been identified in the State of California. At least... Most Popular: 11/04 to 11/10
November 12, 2012 | Geology.com
Impact of the Toba Eruption
Spectacular Stream Potholes
The Granites of Yosemite National Park
Ancient Tsunami in Lake... Volcanoes in Arizona?
March 21, 2012 | ArizonaExperience.org
"While there are no active volcanoes in Arizona, there are volcanic fields capable of producing... 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... USGS Historical Topographic Map Collection
April 3, 2012 | USGS
"The goal of the Historical Topographic Map Collection was to create an electronic collection of... Tree Rings for Measuring Climate Response to Volcanic Eruptions
February 8, 2012 | National Science Foundation
"Some climate cooling caused by past volcanic eruptions may not be evident in tree-ring reconstructions... Predicting Large Volcanic Eruptions
April 6, 2012 | University of Leeds
"Two new studies into the “plumbing systems” that lie under volcanoes could bring scientists closer... 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... | 
