A large fissure has opened up nearby, at the Sundhnukagígar crater north of Grindavik, with lava flowing both east and west. One estimate by the country's Met Office suggests "the lava flow has ...

The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.

Lava flows are masses of magma that pour onto the Earth's surface during an eruption; they include both moving lava and the resulting solidified deposits of black rock. Lava flows come in a great ...

which is a natural tunnel formed by flowing lava moving underneath the hardened surface of a lava flow. Tubes act as a pressure relief valve of sorts, a natural drainage for the molten rock when ...

Guatemalan authorities evacuated around 1,000 people Monday after Central America's most active volcano erupted, spewing lava ...

Episode 12 of Kilauea lasted just under 22 hours, with fountaining stopping around 10:35 a.m. and the episode ending around 10:37 a.m. USGS reported eruptive activity was spotted from the south ...

Guatemalan authorities evacuated around a thousand people on Monday after Central America's most active volcano erupted, spewing lava ... flows — fast-moving currents of hot ash, gas and ...