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

The folks at the USGS Hawaiian Volcano Observatory (HVO) do such an awesome job covering the volcanoes of our 50th State. I've often said they provide what amounts to a veritable college level course in volcanology through their beautifully done reports and updates. The following is a collection of videos of the ongoing Kilauea eruption which is occurring deep in the volcano's "caldera" (see the definition of a "caldera" below). That the eruption is taking place in the "caldera" is why the molte

9.5K views · 706 reactions | This stunning footage shows a Hawaiian...