The Ijen volcano complex is a group of composite volcanoes in the stunning Banyuwangi Regency of East Java, Indonesia. It is inside a larger caldera Ijen, which is around a whopping 12 miles wide.

Violent eruptions continue in Hawaii, sending lava hundreds of feet into the air and spreading glass threads over nearby areas.

This story appears in the August 2018 issue of National Geographic magazine. Indonesia has 127 active volcanoes. Only the U.S. (168) and Russia (144) have more. Essential packing list: We landed ...

The eruption of Kilauea volcano on Hawaii’s Big Island has stayed within the mountain’s summit caldera inside Hawaii Volcanoes National Park. No homes were threatened. Molten rock began ...

The eruption of Kilauea volcano on Hawaii’s Big Island has stayed within the mountain’s summit caldera inside Hawaii Volcanoes National Park. No homes were threatened. Molten rock began ...

Living in the Ring of Fire, Washington state residents are no strangers to the possibility of volcanic activity. With five active volcanoes, including Mount St. Helens, the threat of a repeat eruption ...

Hawaiian Volcano Observatory reports that activity stopped at about 8:40 p.m. Friday, putting the eruption that started during the early morning of Dec. 23 on pause for a third time. There is no lava ...