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Earth’s interior

Una imagen de satélite de una masa continental con parches cafés y verdes. Al centro hay una nube de humo con una línea naranja brillante.
Posted inNews

La tercera es la vencida para el Fagradalsfjall de Islandia

Katherine Kornei, Science Writer by Katherine Kornei 28 July 20234 August 2023

La región volcánica que hizo erupción en 2021 y 2022 después de más de 7 siglos de estar dormida, lo está haciendo de nuevo.

Illustration of the Earth's internal structure.
Posted inEditors' Vox

Digging Deep into Interactions Between the Core and Mantle

by Takashi Nakagawa, Taku Tsuchiya, Madhusoodhan Satish-Kumar and George Helffrich 24 July 20234 August 2023

A new book presents major advances in our understanding of core-mantle interaction and co-evolution, and showcases technological developments improving our insights into deep Earth processes.

A satellite image of a light brown landmass with patches of green. In the center is a cloud of smoke with a bright orange streak.
Posted inNews

Third Time’s the Charm for Iceland’s Fagradalsfjall

Katherine Kornei, Science Writer by Katherine Kornei 19 July 202331 July 2023

The volcanic region, which erupted in both 2021 and 2022 after more than 7 centuries of dormancy, is at it again.

This snapshot of a new global mantle convection model depicts Earth 180 million years ago, with broad mantle upwellings (in copper) equal to or greater than 1 kelvin meter per year, reconstructed continental blocks (gray polygons), and kimberlite eruptions (magenta columns).
Posted inNews

How to Find a Volcanic Diamond Mine

by Rebecca Owen 30 June 202330 June 2023

New 3D modeling illustrates the mechanism behind the intriguing volcanic eruptions that bring diamonds to the surface.

Three-dimensional wireframe representation of Earth with a red spotted sphere in the center. The continents are shown in turquoise, and yellow lines radiate from a point on the bottom left continent.
Posted inNews

Mounds of Ancient Ocean Floor May Be Hiding Deep in Earth

Tim Hornyak, Science Writer by Tim Hornyak 13 June 20234 August 2023

A mysterious seismic feature at the bottom of Earth’s mantle is more widespread than previously thought.

白色的烟雾从灰绿色的水中升起,背景是高耸的黑色岩石。
Posted inResearch Spotlights

火山排放的碳比吸收的多吗?

by Saima May Sidik 11 May 202318 May 2023

火山喷发结束后很长一段时间内缓慢的碳排放可能会在地质时间尺度上影响碳循环。

White fumes lift from green-gray waters with black rocks towering in the background.
Posted inResearch Spotlights

Do Volcanoes Add More Carbon Than They Take Away?

by Saima May Sidik 26 April 202311 May 2023

Slow carbon seep long after eruptions have ceased could shape the carbon cycle on geological timescales.

Graph from the paper
Posted inEditors' Highlights

The Depleted Mantle Merry-Go-Round 

by Vincent Salters 5 April 20234 August 2023

Abyssal peridotites show through their isotopic composition a complex history. From differences we can infer the existence of ultra depleted mantle and an uneven contribution to ridge magmatism.

Image depicting Viscosity estimates for the mantle underneath Greenland.
Posted inEditors' Highlights

4D Viscosity Constraints from Greenland 

by Thorsten Becker 28 March 202311 April 2023

The mantle’s resistance to flow appears different for glacial and plate tectonic timescales but this behavior can be reconciled with new thermo-mechanical models of the asthenosphere.

一个球形海底地震仪下降到海面
Posted inResearch Spotlights

小尺度对流搅动大洋岩石圈

Sarah Derouin, Science Writer by Sarah Derouin 6 March 20236 March 2023

海底扩张将岩石圈矿物组织成一个晶格,但小规模的对流混杂在最内层。

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Features from AGU Publications

Research Spotlights

The Uncertain Fate of the Beaufort Gyre

13 May 202513 May 2025
Editors' Highlights

Beyond Up and Down: How Arctic Ponds Stir Sideways

13 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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