M4.0 Earthquake near Hollis Center, Maine October 16, 2012 | USGS Earthquake Hazards Program Felt earthquakes in Maine are unusual. USGS reports that a M4.0 earthquake occurred today... Evaporite Sinkholes in Colorado November 14, 2012 | Colorado Geological Survey The Colorado Geological Survey recently published: "Colorado Map of Potential Evaporite Dissolution and Evaporite... K-12 Earthquake Hazard Assessment Activity November 19, 2012 | Indiana Geological Survey The Indiana Geological Survey website has an activity titled "Assessing Potential Seismic Risks of Indiana... Earthquake Hazard Maps and Surprise Earthquakes September 2, 2012 | University of Missourii "Three of the largest and deadliest earthquakes in recent history occurred where earthquake hazard maps... Shale Gas, Hydraulic Fracturing, and Induced Earthquakes April 19, 2012 | USGS "USGS scientists discuss the opportunities and impact associated with hydraulic fracturing. Doug Duncan, associate coordinator... Earthquakes and NYC Brownstones March 1, 2013 | NBC News Researchers use shake tables to simulate the performance retrofitted and unretrofitted New York City masonry... Interesting USGS Video about Gas Hydrates June 6, 2012 | USGS This video explains the importance of gas hydrates then demonstrates some of their properties in... M6.2 and M6.3 Earthquakes in Iran August 11, 2012 | USGS Two strong, shallow earthquakes occurred near Ahar, Iran on Saturday, August 11 at about 4:30... |