The eruption was one of the largest of the 19th century, but the identity of the volcano responsible has long been unclear.

Subduction of the Pacific Plate beneath the North American Plate creating the Aleutian trench and volcanic island arc (Credit: Alaska Volcano Observatory). Click image for a larger view.

Before the Mount Tambora eruption in 1815, the locals began noticing volcanic activity five days leading up to the eruption.

One of the world’s most active volcanoes erupted on Monday after a three-month hiatus, spewing bright orange lava as high as ...

Kilauea, one of the world’s most active volcanoes, erupted early Monday on Hawaii’s Big Island, sending out glittering ...