In a volcanic eruption, there are two main kinds of lightning. When the plume is small, up to around 4 kilometres (2.5 miles) in height, ash, rocks and fractured lava particles rub against each ...

Scientists widely believe that volcanic particle size is determined by the initial fragmentation process, when bubbly magma deep in the volcano changes into gas-particle flows. But new research ...

Volcanic lightning is a striking and multifaceted phenomenon that occurs during explosive eruptions, when vigorous interactions between fragmented ash particles, volcanic gases and environmental ...

Lava spewed Saturday from a new volcanic fissure on Iceland's Reykjanes peninsula, the fourth eruption to hit the area since December, authorities said. Latest U.S.

Yellowstone harbors two primary magma types, with basaltic magma fuelling most of Earth's volcanic eruptions, reports the ...

An island near Tonga that emerged from the ocean in 2015 was teeming with unique life-forms, but the 21st century's largest volcanic eruption completely obliterated it, a new study has revealed.