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plate tectonics

7 models showing subducting slabs.
Posted inEditors' Highlights

Shedding Light on the Mysteries of Deep Earthquakes

by Alberto Montanari 26 June 202526 June 2025

By analyzing forty deep earthquakes around the world, researchers discover the key role of a dual mechanism that allows earthquakes to grow larger and release more stress.

Illustration of a cross section of Earth with magnetic field lines.
Posted inEditors' Vox

An Earth System Science Approach to Geophysics

by Steven R. Dickman 1 April 202528 March 2025

With an underlying universal theme of convection, a new textbook introduces upper-level geology, geophysics, physics, and engineering students to the geophysics behind the Earth System.

Photo of a rock outcrop.
Posted inEditors' Highlights

Remagnetization Illuminates Tectonic Consolidation of Megacontinents

by Agnes Kontny 31 March 202527 March 2025

New rock and paleomagnetic research give evidence for prolonged heating during the Cambrian-Ordovician tectonic consolidation of West Gondwanaland.

Graph and map from the study
Posted inEditors' Highlights

How (Slow) Earthquakes Get Going

by Thorsten W. Becker 17 March 202517 March 2025

Non-volcanic tremor ramp up precedes slow slip in Cascadia by about a day, indicating that brittle-creeping process interactions control nucleation.

A glacier with ripples on top of it, as seen from a plane. A blue sky is visible.
Posted inResearch Spotlights

A Seafloor Spreading Slowdown May Have Slashed Sea Levels

Sarah Stanley, Science Writer by Sarah Stanley 24 February 202524 February 2025

Between 15 million and 6 million years ago, a drop in ocean crust production may have lowered sea level by 26–32 meters.

Map from the study.
Posted inEditors' Highlights

Skewed Subduction Shear Zones

by Thorsten W. Becker 20 February 202519 February 2025

A global reanalysis of both short- and long-term deformation clarifies how obliquity affects strain partitioning in convergent plate boundaries.

The summit of Mount Everest soars above other peaks of the Himalayas.
Posted inFeatures

How to Build the World’s Highest Mountain

by Nathaniel Scharping 13 February 202513 February 2025

The rocks of Mount Everest’s peak made an epic journey from seafloor to summit.

A series of fossilized tree stumps sticks up from shallow ocean water on a beach. A tree-topped cliff and blue sky are in the background.
Posted inResearch Spotlights

Modeling the Long and Short of Subduction Zones

by Rebecca Owen 10 January 202517 January 2025

A new subduction model could reveal important insights about megathrust earthquakes.

Una masa de agua de color aguamarina en un paisaje desértico. El borde del agua tiene material cristalizado de color blanco.
Posted inNews

Nevada tiene montones de litio. Esta es la razón.

by Evan Howell 7 January 20257 January 2025

Nevada se está convirtiendo en un gran productor de litio, gracias a la topografía, el clima y la serendipia geológica.

The sunny side of Earth as viewed from the Deep Space Climate Observatory.
Posted inNews

Scientists May Have Found Another Viscosity Shift in the Mantle

by Perri Thaler 12 December 202412 December 2024

The proposed distinction could improve Earth models.

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Features from AGU Publications

Research Spotlights

Coherent, Not Chaotic, Migration in the Brahmaputra-Jamuna River

2 July 20252 July 2025
Editors' Highlights

The Mid-20th Century Winter Cooling in the Eastern U.S. Explained

3 July 20253 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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