Pressures within pyroclastic flows may be as much as three times as great as observations had suggested.

Volcanologist Professor Chris Jackson discovers evidence of the deadly pyroclastic flow.

But the defining event of Monday’s eruption was the more rare pyroclastic flow from the southwestern crater not visible from a distance.

A lava flow was spotted by satellites winding down the flanks of Mount Etna during an explosive outburst on June 2, which also released a large pyroclastic flow in the opposite direction. | Credit ...

Mount Etna, the rambunctious volcano on the Italian island of Sicily, grumbled back to life on Monday, spewing hot ash and lava in a pyroclastic flow, the nation's volcano monitoring body said.

Mount Etna’s Spectacular Monday Eruption Marks the Volcano’s Most Intense Activity in Years The explosion was the strongest since 2021, expelling ash, dust, lava and a pyroclastic flow, but no ...

But the defining event of Monday’s eruption was the more rare pyroclastic flow from the southwestern crater not visible from a distance.