The climate-altering eruption came from the Zavaritskii volcano on an uninhabited island in the Pacific that once hosted a ...

Scientists have identified the “mystery volcano” that erupted in 1831 and cooled Earth’s climate. They have linked it to an island volcano in the northwest Pacific Ocean.

The investigation confirmed that the ash cloud from the eruption ... The researchers collaborated with colleagues in Russia and Japan to obtain samples from the volcano and ice cores.

Radiocarbon dating of tephra, or volcanic ash, deposits on Simushir Island placed ... 1831 that reside in a dusty corner of a library in Russia or Japan. The follow-up work to delve into these ...

By analyzing sulfur and volcanic ash entrained in ice cores, researchers pinpointed a caldera in the remote Kuril Islands as ...

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

An eruption that produced one of the largest impacts on climate over the past 250 years has finally been matched with a volcano.

And they say they found a "perfect fingerprint match" of the ash deposits ... colleagues from Japan and Russia, who sent us samples collected from these remote volcanoes decades ago." ...

Though currently under Russian control, their ownership has long been disputed. Hutchinson compared the ash deposits in the ice cores to ash samples from volcanoes across the Kurils.

CANBERRA--The eruption of Papua New Guinea’s tallest volcano subsided Tuesday, but thick ash still billowed into the sky and coated roofs and palm trees nearby. One of the South Pacific nation ...