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volcanoes

Photo of a large plume of smoke emitting from a volcano.
Posted inEditors' Vox

Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

by Federica Pardini 16 June 202512 June 2025

Monitoring and forecasting the movement of volcanic clouds is key to mitigating the impacts on communities, infrastructure, and air traffic.

Photo of a large crater
Posted inEditors' Vox

Rising Concerns of Climate Extremes and Land Subsidence Impacts

by Laurie S. Huning 9 June 20254 June 2025

Increasing interplay among extreme events and land subsidence impacts calls for urgent mitigation and policy action to reduce detrimental ramifications to infrastructure and people.

Maps and graphs from the paper.
Posted inEditors' Highlights

Revised Emissions Show Higher Cooling in 10th Century Eruption

by Lynn Russell 16 May 202515 May 2025

The associated cooling from the Eldgjá eruption is larger than previously predicted and better matches tree-ring temperature reconstructions based on updated estimated emissions.

Posted inResearch Spotlights

Matching Magma Dikes May Have Different Flow Patterns

Sarah Stanley, Science Writer by Sarah Stanley 30 April 20255 May 2025

A set of lab experiments involving a laser, gelatin, and xanthan gum explored how varying flow patterns between dikes with similar speeds and shapes could affect eruption predictions.

Map and 3D view of Alba Mons with drainage networks.
Posted inEditors' Highlights

Young Rivers on a Martian Volcano Reveal Insights into the Amazonian Climate

by David Baratoux 25 April 202524 April 2025

A comprehensive inventory of rivers on Alba Mons on Mars reveals a prolonged history of erosion and development into mature drainage networks during the Amazonian, with contributions of rainfall and snow melt.

Four images showing the simulation presented in the paper at different timestamps.
Posted inEditors' Highlights

Tonga’s Volcanic Fury Ripples to the Netherworld

by Binzheng Zhang 24 April 202523 April 2025

Secondary gravity waves emerge as the hidden architects of global-scale thermospheric upheaval following the Tonga eruption in 2022.

Photo of a caldera
Posted inEditors' Highlights

Deflected Dikes Perturb the Plumbing System

by Thorsten W. Becker 11 April 202510 April 2025

A multidisciplinary synthesis of the Campi Flegrei, Italy volcanic setting highlights the importance of sub-caldera layering for magma dynamics.

Diagram from the study.
Posted inEditors' Highlights

Martian Magmas Live Long and Prosper

by Mariek E. Schmidt 10 April 20259 April 2025

The depths, longevity, and potential to generate silicic compositions of magma chambers are linked to crustal temperature, which varies across Mars and over its geological history.

A rust-colored fossilized feather within a dark gray rock
Posted inNews

A 30,000-Year-Old Feather Is a First-of-Its-Kind Fossil

by Grace van Deelen 9 April 20259 April 2025

A new analysis of a fossil found in 1889 has unveiled the presence of zeolites—and an entirely new mineralization method.

Seismic images from the study.
Posted inEditors' Highlights

Seismic Images Show Major Change Along the Mid-Atlantic Ridge

by Andrew Frederiksen 7 April 20253 April 2025

New seismic images of the Lucky Strike slow-spreading segment of the Mid-Atlantic Ridge show thick lower crust at the center that thins in both along-ridge directions.

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Features from AGU Publications

Research Spotlights

Orbiter Pair Expands View of Martian Ionosphere

20 June 202519 June 2025
Editors' Highlights

Coupled Isotopes Reveal Sedimentary Sources of Rare Metal Granites

17 June 202516 June 2025
Editors' Vox

Inside Volcanic Clouds: Where Tephra Goes and Why It Matters

16 June 202512 June 2025
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