Volcanoes are grouped into four types: cinder cones, composite volcanoes, shield volcanoes and lava volcanoes. Cinder cones are circular or oval cones made up of small fragments of lava from a single ...

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Hawaii’s Mauna Loa, the world’s largest active volcano, began sending up ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. Volcanoes are a key part of the Earth system, and open a window into the inner ...

Dramatic photographs, pop-ups, and flaps join with informative charts and sidebars to explore volcanic eruptions. Readers learn about different types of volcanoes, their features, and what causes them ...

Some volcanoes, such as the Cascade volcanoes up in Washington and Oregon, are of the type called a stratovolcano. These steep volcanoes sometimes erupt explosively and other times have calmer lava ...

Volcanoes in India are a fascinating yet rare geological phenomenon. These natural formations result from the movement of molten rock beneath the Earth's crust. While some volcanoes in India remain ...