Now, researchers may have found out why: A new study published today in Nature Geoscience reports that a member of this family, the pyroclastic flow, is able to move so fast and so far because it ...

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Figure 4: Paiuá Creek. (A) Layer of volcanogenic ferruginous sandstones with small cross-stratifications covered by pyroclastic flows and cineritic deposits (B); (C) and (D) Ignimbrite with pumice ...

On June 2, at around 11:20 a.m. local time, a giant, superhot avalanche of ash, known as a pyroclastic flow, suddenly exploded from near Mount Etna's summit and raced down its western flank.

The most recent pyroclastic flows with significant reach were recorded on Feb. 10, 2022, Oct. 23, 2021, Dec. 13, 2020, and Feb. 11, 2014, Marco Viccaro, president of Italy's national volcanology ...

As of Friday midnight, the INSIVUMEH highlighted a visible 1.2 km lava flow accumulating unstably around the crater and ravines, posing risks of further pyroclastic flows. Guatemala, comparable in ...

This triggered a pyroclastic flow, sending a dense column of ash and smoke kilometres into the atmosphere. Lava flowed in three directions but began to cool down.

In a report shortly after midnight on Friday, INSIVUMEH said a lava flow could be seen stretching to around 1.2 km. "This continues to accumulate in an unstable manner around the crater and in the ...

The Institute also warned of flows of scorching material—known as pyroclastic flows—descending the slopes. Before the increase in activity, the volcano had shown “normal parameters” with “weak to ...

Mount Etna erupted on June 2, 2025. Scientists explain the causes, crater collapse, and future eruption risks. Read the full report on Italy's iconic volcano.

Authorities emphasized there was no danger to the population and the pyroclastic flow - a fast-moving mixture of rock fragments, gas and ash - was limited to about 2 kilometers (more than a mile) and ...