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Editors’ Highlights

Photo of a mountain top
Posted inEditors' Highlights

A Seismogenic Shear Zone Diagonal to the Main Himalayan Thrusts

by Anne Paul 1 July 20241 July 2024

Scientists document active seismic shear along a major lineament of Sikkim Himalaya diagonal to the Main Himalayan Thrusts.

An aerial photo of a large crater.
Posted inEditors' Highlights

Caldera Collapse as a Natural Example of Rock Friction

by Yosuke Aoki 25 June 202424 June 2024

Recurrent slips on the caldera wall of the Kīlauea Volcano are a natural experiment not only to understand the mechanics of caldera formation but also to gain more insights into fault friction.

Two maps from the paper.
Posted inEditors' Highlights

Dual Tsunami Generation from Atmospheric and Oceanic Sources

by Ryan P. Mulligan 24 June 202424 June 2024

The 2022 Tonga volcanic eruption generated waves that propagated across the Pacific Ocean. A new analysis of sea level measurements is used to dissect the difference in wave components from two sources.

A photo of the Caucasus mountains.
Posted inEditors' Highlights

Biogenic Sources Still Dominate Organic Carbon Aerosol in Europe

by Abdelwahid Mellouki 20 June 202420 June 2024

Scientists use radiocarbon measurements from Alpine ice to quantify present and past anthropogenic versus biogenic sources of organic carbon aerosols in the European atmosphere.

Figure from the paper
Posted inEditors' Highlights

A Fast and Accurate Open-Source Atmospheric Transport Model

by Timothy DeVries 5 June 20243 June 2024

A new zonally-averaged atmospheric transport model will be useful for estimating emissions of ozone-depleting substances and greenhouse gases.

A map and graph from the paper.
Posted inEditors' Highlights

The Not-So-Quiet Cretaceous Quiet Zone

by Bjarne S. G. Almqvist 4 June 20243 June 2024

A new study finds that Earth’s magnetic field intensity varied significantly during the Cretaceous Normal Superchron, providing insights into the operation of the geodynamo during superchrons.

Graph from the paper.
Posted inEditors' Highlights

Repeated Coseismic Uplift Above the Patton Bay Splay Fault, Alaska

by Daniel Melnick 30 May 20243 June 2024

Stratigraphic and diatom analyses suggest ruptures of the Patton Bay splay fault occurred together with half of the documented great Alaskan megathrust earthquakes during the past 4,200 years.

Student taking an exam.
Posted inEditors' Highlights

Are the Geosciences Failing Their Qualifying Exam Goals?

Eric Davidson, president-elect of AGU by Eric Davidson 29 May 202429 May 2024

Scientists favor data-driven reasoning but administer graduate student qualifying exams with surprisingly little guiding data. Re-examining these exams may advance educational equity and quality.

World map from the paper.
Posted inEditors' Highlights

A Powerful New Model for U.S. Climate–Air Quality Interactions

by Jiwen Fan 10 May 202410 May 2024

NOAA’s Geophysical Fluid Dynamics Laboratory has developed a new variable-resolution global chemistry-climate model for research at the nexus of U.S. climate and air quality extremes.

Diagram and graphs from the paper.
Posted inEditors' Highlights

GAD is Enough!

by Daniel Pastor-Galán 10 May 202425 September 2024

An exhaustive study in China finds no need to invoke extreme true polar wander nor anomalous geomagnetic fields in the early Neoproterozoic.

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Features from AGU Publications

Research Spotlights

Tracing Black Carbon’s Journey to the Ocean

11 July 202510 July 2025
Editors' Highlights

The Power of Naming Space Weather Events

10 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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