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Mount Etna

Italy’s Mount Etna, snowcapped and beneath a sky of puffy white clouds.
Posted inResearch Spotlights

Improved Imaging Offers New Insight into Mount Etna

by Rebecca Owen 9 July 20249 July 2024

Anisotropic tomography provides a more complete picture of the Sicilian volcano’s inner workings.

Trees with a view of Italy’s Mount Etna behind.
Posted inNews

Supergreen Trees Can Signal Sites of Eruptions

by J. Besl 8 November 202126 April 2022

Tree core chemistry can explain what happened before Mount Etna’s 2002 eruption and suggests that trees could play a role in rebuilding past eruptions.

Mount Etna, a stratovolcano, sits in front of an ashy night sky. Lava erupts from and flows down the volcano, and ash and gas billow up from a vent behind the peak and make the sky glow orange. A few star trails appear in the upper right corner.
Posted inNews

Etna Under Pressure: Does Gas Buildup Foreshadow Eruption?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 15 September 202129 March 2023

Pressure from both magma and gas can trigger eruptions. Monitoring degassing can help predict eruptions but only if the magma system is well understood first.

An arc-shaped coseismic shear belt associated with the 2018 Mw 4.9 earthquake at Etna volcano shows up on both mapping and InSAR.
Posted inEditors' Highlights

Volcano—Tectonic Interactions at Etna

by J. Hubbard 6 July 202127 October 2021

Mapping of a 2018 earthquake that ruptured the eastern flank of Mount Etna shows that it occurred on a tectonic lineament that predates the volcano, and the kinematics match nearby tectonic domains.

Two plots showing the spatial distribution of radon activities at ground level (left) and in free air (right) around the Mount Etna Central Crater
Posted inEditors' Highlights

Radon Enrichment in the Volcanic Plume of Mount Etna

by Corentin Caudron 5 October 202017 November 2022

More than 70 passive sensors on Mount Etna have captured the first radon measurements in volcanic plumes and show that radon could affect people around volcanoes.

Painting of the death of Julius Caesar
Posted inNews

Podcast: Et Tu, Etna?

Liza Lester, staff writer by L. Lester 24 March 202028 September 2021

Global environmental calamity followed the death of Caesar. The source may have been a volcano in Sicily.

Mount Etna eruption, Sicily, Italy
Posted inScience Updates

Radon Tells Unexpected Tales of Mount Etna’s Unrest

by S. Falsaperla, M. Neri, G. Di Grazia, H. Langer and S. Spampinato 22 March 201819 July 2022

Readings from a sensor for the radioactive gas near summit craters of the Italian volcano reveal signatures of such processes as seismic rock fracturing and sloshing of groundwater and other fluids.

A new numerical model tracks the speed and pathway of a dike propagating through the Earth’s crust.
Posted inResearch Spotlights

An Improved Model of How Magma Moves Through the Crust

by Terri Cook 18 April 201717 November 2022

Researchers have developed a new numerical model that can, for the first time, solve for both the speed and the path of a propagating dike.

The active crater of Vulcano viewed from Lipari, in Italy’s Aeolian islands
Posted inScience Updates

Understanding Volcanic Eruptions Where Plates Meet

by R. Azzaro and R. De Rosa 16 May 201627 October 2021

A new project elucidates the relationships between tectonics and volcanic systems and how they influence hazards on Italy's Mount Etna and Vulcano and Lipari islands.

Posted inResearch Spotlights

Can We Predict How Volcanic Ash Disperses After an Eruption?

by W. Yan 23 February 201615 March 2022

Researchers investigate what factors influence how particles from a plume spread following a volcanic eruption.

A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

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Proposed Experiment Could Clarify Origin of Martian Methane

12 May 202512 May 2025
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First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
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