Do animals prank humans? It sometimes feels that way, says Yellowstone Volcano Observatory’s Scientist-in-Charge Mike Poland. Watch as Mike shows some of the ways animals have “interacted” with monitoring equipment in the park. Thank you to our colleagues from USGS Volcanoes for the latest monthly update! | Yellowstone National Park

Research, monitoring, communication. Every day is #EarthDay at the USGS. Volcano monitoring and research conducted at the five US volcano observatories advances our understanding of active volcanoes and hazards, and enables the USGS Volcano Hazards Program to provide information and warnings of volcanic activity in the United States. Each observatory is assigned a geographic area of responsibility (Alaska, Hawaii, California, Cascade Range, Yellowstone). The observatories and their partner organ