The best way to clean your oven doesn't involve harsh chemicals. A pumice stone, whether in the form of a scouring stick or ...

Pyroclastic currents are hot, swift-moving mixtures of volcanic particles — ash, pumice lava fragments and gas — that flow according to their density in relation to the surroundings.

Researchers from Tokyo Metropolitan University have carried out an unprecedentedly detailed survey of pumice rafts in the aftermath of the 2021 Fukutoku-Oka-no-Ba volcanic eruption in Japan.

Under the angular pumice they found three rooms of a buried building built directly on top of the cindery gray lava which represented the late Bronze Age surface of the island, laid down by ...

“It will likely move to one in which lava starts spewing out,” he said ... Floating bands of brown pumice were also observed in the surrounding waters. “This is moving from steam eruptions ...