USGS: Downhole Video in a Basalt Aquifer June 7, 2012 | USGS on YouTube "Underwater video showing horizontal and vertical views from new video camera technology. The high-definition video... USGS Physical Science Technician April 19, 2012 | USGS on YouTube "In the video, Robert Leeper stands in the field while explaining how he became associated... Lake Mead Video and Report April 4, 2013 | USGS "A new video from the U.S. Geological Survey illustrates Lake Mead’s healthy and robust ecosystem... Video Animation: Brawley, CA Earthquake Swarm October 1, 2012 | Arizona Geological Survey on YouTube The Arizona Geological Survey has prepared a video animation of the earthquake swarm that occurred... Volcano Seismology December 6, 2012 | USGS "USGS volcano seismologist, Seth Moran, describes how seismology and seismic networks are used to mitigate... Collapse into the Halema’uma’u Lava Lake June 13, 2012 | USGS "This clip, captured by a video camera on the rim of Halema'uma'u to the southwest... 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... USGS Debris Flow Research December 10, 2012 | USGS "Debris flows are hazardous flows of rock, sediment and water that surge down mountain slopes... |