Submitted by Lockwood DeWitt: How does bimodal volcanism work? Bimodal volcanism is whenever you have a volcano that erupts basalt and rhyolite ... and really nothing else in-between. What does that ...

Get unlimited access to ad-free articles and exclusive content. Our Amazing Planet A slow-moving lava flow made of glass is still inching its way down a volcano in Chile, nearly a year after it first ...

Small lava eruptions in the Yellowstone volcano caldera are “more dramatic” than was thought and occur in clusters — making then, while not catastrophic, “still a big deal”. This is the conclusion of ...

Discover the Lassen Volcanic Center's stunning geological history and eruptions, including the rhyodacite of Sunflower Flats. The cliffs of the rhyolite of Raker Peak, possibly associated with the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The Yellowstone supervolcano produced a huge eruption around 613,000 ...

The Yellowstone volcano gets its chilling label as a supervolcano due to its ability to inflict devastation on a global level. Pinned between the states of Wyoming, Montana and Idaho, the volcano is ...

The eruption of Puyehue-Cordón Caulle in Chile seen by EO-1 on August 18, 2011.Credit: NASA Earth Observatory. I get asked quite often if earthquakes can trigger volcanic eruptions. Usually this ...

Some rhyolitic volcanos erupt abruptly and violently, while others are far more sedate in their eruptive behavior. Ludwig-Maximilians-Universitaet (LMU) in Munich geoscientist Professor Donald ...