The pyroclastic flow and volcanic ash spewed out by the Aira caldera in southern Kagoshima Prefecture in Kyushu was 1.5 times larger than previous research estimates and reached a depth of about ...

Kilauea volcano in Hawaii is erupting with fountains of lava. Check out a USGS livestream from within the Halema'uma'u crater.

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

Increased volcanic activity in Greece’s famed tourist hotspot of Santorini has prompted the country’s civil protection minister to call a meeting with local and disaster response officials ...

Violent eruptions have started up again in Hawaii, with fountains of lava shooting hundreds of feet into the air and toxic gas belching from the crater.

Officials said the "dynamic" volcanic activity is currently confined to the summit caldera. Webcam imagery showed lava fountains as high as 262 feet with molten material, including lava bombs ...

The eruption of Kilauea within the summit caldera resumed today just before 3 p.m. According to the Hawaiian Volcano Observatory, this marks the beginning of the fifth episode of the current eruption ...

Kilauea, one of the world's most active volcanoes, began erupting around 2:30 a.m. local time within the Halemaʻumaʻu crater, which is part of the much larger Kilauea caldera at Hawaii Volcanoes ...

The caldera-forming eruptions at Yellowstone are sourced from reservoirs of rhyolitic melt. That's silica-rich magma, the volcanic equivalent of granite, sticky and viscous and slow-moving ...