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.

It features scenes of farmers tilling soil, majestic mountain roads, sedimentary rock formations, and granite and marble quarries. The film also highlights natural phenomena such as volcanic activity ...

Alotenango, Guatemala — Guatemalan authorities evacuated around a thousand people on Monday after Central America's most active volcano erupted, spewing lava, ash and rocks. Residents with ...

Guatemalan authorities evacuated around 1,000 people Monday after Central America's most active volcano erupted, spewing lava, ash and rocks. By night, however, the eruption was declared over ...

Guatemalan authorities evacuated around 1,000 people Monday after Central America’s most active volcano erupted, spewing lava, ash and rocks. Residents with traumatic memories of a deadly ...

The water that feeds the springs can run through several different types of rocks. Basalt is one common bedrock. It's a volcanic (igneous) rock resulting from cooled lava with a low amount of silica.

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.

One final type of volcanic system is the Large Igneous Province, a massive outpouring of lava made from rocks called basalts. These eruptions can flood millions of square miles with lava that's ...

The unique geology on the eastern side of the Sierra was formed more than 700,000 years ago when a volcanic eruption created ...

In June, pumice stones likely spewed by the volcano were found in the sea near the island. “It is possible that a large amount of rocks and stones ejected from the crater on the seafloor ...