Mud volcanoes often exhibit calderas, which are large circular depressions at their summit. Detailed mapping around the Caspian Sea suggests that caldera-forming mud volcanoes are dynamically ...

Composite volcanoes have very sticky and thick lava, which can make them very explosive when they erupt: gas bubbles that are trapped in the magma chamber find it hard to escape through the ...

Even if you are just visiting a volcano for a day, make sure you are traveling with appropriate footwear, first aid supplies, and plenty of water. “Volcanoes can change very quickly and ...

When the fuming and rumbling at Mount Spurr, a giant volcano northwest of Anchorage, started picking up in October, Alaska’s ...

Hawaii’s Kilauea volcano is nearing a baker’s dozen with its latest eruptive episode producing lava fountains in the Halemaʻumaʻu crater. According to the US Geological Survey’s (USGS ...

However, most studies focus on individual volcanoes, making it difficult to identify general trends across an entire volcanic arc. The Cascade Range, stretching from California to British Columbia ...