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Earth science

Aerial photo of a large rupture caused by an earthquake.
Posted inResearch Spotlights

Fault Maturity or Orientation: Which Matters More for Quakes?

Sarah Stanley, Science Writer by Sarah Stanley 10 April 20248 July 2024

Close examination of a 2021 earthquake on the Tibetan Plateau provides hints that, counter to prior assumptions, the influence of fault orientation can sometimes trump that of maturity.

O Sol foi fotografado no centro de Nevada durante o eclipse anular de 14 de outubro de 2023.
Posted inNews

Radioamadores Foram Usados Para Obter Informações sobre a Ciência Ionosférica Durante o Eclipse

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 April 202410 April 2024

Operadores de rádio amadores que estudam a física espacial e a atmosfera superior investigaram a resposta da ionosfera ao eclipse solar anular de 2023 usando transmissões de ondas curtas.

Satellite image of a polynya (area without ice) in Antarctica. Most of the image is white snow or ice, but the polynya area is blue and green.
Posted inNews

Holes in Ross Sea Ice Grow and Shrink in Unexpected Cycle

by Amy Mayer 9 April 202411 April 2024

Changes in polynya area in the Ross Sea region off Antarctica follow a previously unidentified 16-year periodicity.

Photo of a wetland
Posted inEditors' Highlights

When You’re a Wet(land), You’re A Wet(land) All the Way

by Ankur R. Desai 9 April 20248 April 2024

Wetlands and their methane emissions require careful consideration for incorporation in Earth system models with many advances made over the past 30 years.

El Popocatépetl hace erupción con volutas de gas volcánico, como se observa desde Puebla, México.
Posted inFeatures

¿Qué tan peligroso es el volcán Popocatépetl? Depende a quién le preguntes

Katherine Kornei, Science Writer by Katherine Kornei 8 April 20248 April 2024

El estratovolcán en el centro de México presenta un interesante caso de estudio sobre la percepción del riesgo, la comunicación de la ciencia y la preparación en torno a los peligros naturales.

Coastline with tall cliffs
Posted inNews

Earthquakes Can Trigger Megathrust Slip in Cascadia

by Caroline Hasler 8 April 20248 April 2024

A 2022 earthquake in Northern California may have triggered slow slip in the Cascadia Subduction Zone, according to a new study.

Map of central Mexico with symbols indicating plate movement.
Posted inEditors' Highlights

Forecasting Earthquake Ruptures from Slow Slip Evolution

by Marcos Moreno 2 April 20241 April 2024

A new generation of physics-based models that integrate temporal slip evolution over decades to seconds opens new possibilities for understanding how large subduction zone earthquakes occur.

A gloved hand holding a piece of ice.
Posted inNews

Drilling into Antarctica’s Past

by Rebecca Owen 1 April 20241 April 2024

The West Antarctic Ice Sheet melted rapidly around 8,000 years ago. Could that event foretell the future?

Two glass enclosures among a forest of spruce trees in the snow
Posted inResearch Spotlights

Warming Experiment Explores Consequences of Diminished Snow

Aaron Sidder, freelance science writer by Aaron Sidder 1 April 20247 August 2024

The SPRUCE ecosystem in northern Minnesota offered a setting to research exactly how a snowy environment responds to rising temperatures.

图为一个蓝色的潟湖。前景中可以看到一艘蓝色的小船和垂柳的叶子。
Posted inResearch Spotlights

伊朗“生态宝石”安扎利湿地有可能在2060年干涸

by Rebecca Dzombak 1 April 20241 April 2024

为避免干旱,需要更可持续的流域管理和农业措施。

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Features from AGU Publications

Research Spotlights

New Earthquake Model Goes Against the Grain

27 October 202527 October 2025
Editors' Highlights

New Evidence for a Wobbly Venus?

29 September 202525 September 2025
Editors' Vox

Publishing Participatory Science: The Community Science Exchange

20 October 202517 October 2025
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