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Volcanic gases

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 C. Caudron 5 October 202030 September 2020

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.

A person collects a sample near yellow rocks and steam.
Posted inNews

Human Activity Outpaces Volcanoes, Asteroids in Releasing Deep Carbon

by Kimberly M. S. Cartier 1 October 20194 October 2019

Humanity’s carbon emissions are, by far, the largest disturbance to Earth’s steady state carbon cycle.

X-ray tomography images of experimental magmas captured at different crystal contents
Posted inEditors' Highlights

Crystals Connect Bubbles in Explosive Magmas

by S. D. Jacobsen 28 May 201920 May 2019

Hydrous silica-rich magmas can degas through connected bubble pathways when as little as 20% crystals are present, influencing transitions from explosive, Vulcanian-style eruptions to lava effusion.

An aerial view of the massive Katla glacier, which might be a bigger source of CO2 than previously estimated
Posted inResearch Spotlights

Volcano in Iceland Is One of the Largest Sources of Volcanic CO2

by Terri Cook 8 November 201811 January 2019

High-precision airborne measurements, in combination with atmospheric modeling, suggest that the Katla subglacial caldera may be one of the planet’s biggest sources of volcanic carbon dioxide.

Three-dimensional imaging unveils the dynamics inside an active volcano
Posted inResearch Spotlights

Looking Inside an Active Italian Volcano

by E. Underwood 17 November 2017

Scientists use 3-D imaging to reveal Solfatara crater’s inner plumbing.

Researchers assess the role of water vapor in predicting volcanic eruptions
Posted inResearch Spotlights

Can Water Vapor Help Forecast When a Volcano Will Blow?

by E. Underwood 10 July 201714 July 2017

A widely used technique to monitor sulfur dioxide was tweaked to focus on water vapor at Peru’s Sabancaya Volcano. Results show that the volcano steamed up prior to its 2016 eruption.

Yellowstone-National-Park-beehive-geyser
Posted inNews

Can Carbon Dioxide Trigger Geyser Eruptions?

by JoAnna Wendel 16 March 20167 September 2016

Researchers looking at geyser discharge water in Yellowstone National Park found that dissolved carbon dioxide could be involved in a geyser's eruption.

Posted inScience Updates

Monitoring Gas Emissions Can Help Forecast Volcanic Eruptions

by C. Kern, J. M. de Moor and B. Galle 12 August 201519 August 2015

5th Meeting of the Network for Observation of Volcanic and Atmospheric Change; Turrialba Volcano, Costa Rica, 27 April to 1 May 2015

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“Slip Characteristics of Induced Earthquakes: Insights From the 2015 M w 4.0 Guthrie, Oklahoma Earthquake”
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