Sacred Sites. Earth View. Earthlights_dmsp_big.jpg (JPEG Image, 2400x1200 pixels) - Scaled (42. Yellowstone Chart. Mh = Yellowstone National Park Yellowstone Monthly Update Thursday, April 03, 2014 1:57 PM MDT Current Volcano Alert Level: NORMAL Current Aviation Color Code: GREEN YVO's Mission The Yellowstone Volcano Observatory provides timely monitoring and hazard assessment of volcanic, hydrothermal, and earthquake activity in the Yellowstone Plateau region.
FAQ about Recent News Reports - Earthquake, Ground Uplift, Animal Movement, and HeliumApril 02, 2014 Recent weeks have seen a flurry of news, real and imagined, about the Yellowstone volcanic system.