The last caldera-forming eruption at Yellowstone "was much more complex than previously thought," according to the annual report about activity at the supervolcano. When you purchase through links on ...

Geologists say there is no evidence the Apolaki Caldera -- part of an extinct volcano located in the Philippine Sea -- could erupt and wipe the country off the map, contrary to doomsday posts ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Seth Wittke, hazards manager, and ...

Hawaii's Mauna Loa, the world's largest active volcano, erupted this week for the first time in almost four decades. When volcanoes erupt, they can have disastrous effects on the environment and the ...

Hawaii’s Mauna Loa, the world’s largest active volcano, erupted this week for the first time in almost four decades. When volcanoes erupt, they can have disastrous effects on the environment and the ...