The vast majority of lava out there falls into one of three types: mafic, intermediate, and felsic. They're also called basaltic, andesitic, and rhyolitic lavas, respectively. (There are other types, ...

Researchers develop a tool for measuring the viscosity of lava that could increase our understanding of molten rock as well as better improve models of its movement, giving authorities crucial ...

The kind of lava flowing is "kind of like a bulldozer," said Wendy Stovall, a USGS volcanologist. Authorities in Hawaii have occasionally tried to divert flows, both with walls and explosives. Neither ...

20 May 2021. Fjóla Guðrún Sigtryggsdóttir is shown studying the lava field upstream of the dams, with the Fagradalsfjall volcano in the background. It had been dormant for 800 years, but in March 2021 ...

Lava flow is unpredictable but slow Mauna Loa's eruption earlier this week for the first time since 1984 has led to concerns related not only to the lava's impact on the island's main highway but also ...