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Journal of Geophysical Research: Solid Earth

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Images and diagrams of nano-scale cavities.
Posted inEditors' Highlights

Creep Cavitation May Lead to Earthquake Nucleation

by Alexandre Schubnel 22 May 202521 May 2025

Ultramylonites, rocks of ultrafine grainsize, bring records of nanometer-scale cavities generated at the base of seismogenic crust along Japan’s largest on‐land fault.

Two graphs from the study.
Posted inEditors' Highlights

Atomic-Scale Insights into Supercritical Silicate Fluids

by Jun Tsuchiya 30 April 202529 April 2025

Water-induced depolymerization enhances fluid mobility in deep Earth, offering new insights into magma transport and isotope signatures in arc lavas.

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.

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.

Tsunami hazard zone sign.
Posted inEditors' Highlights

T-waves May Improve Tsunami Early Warning Systems

by Han Yue 17 February 20257 February 2025

A unique acoustic wave related to the generation of tsunamis could be used to enhance early warning systems.

Cracked and uplifted earth at a fault zone on a vineyard.
Posted inEditors' Highlights

Slow But Powerful Fault Slip Can Simply Arise from Fluid Flow

by Yihe Huang 15 January 202514 January 2025

Cyclic changes of fluid pressure in fault zones can induce slow-slip events that advance in the direction of fluid flow, even when the faults are stable.

Two diagrams from the paper.
Posted inEditors' Highlights

Rewinding the Fault: Stress Perturbations Promote Back-Propagating Ruptures

by Yajing Liu 20 December 202419 December 2024

Free surface reflection and fault geometric asperities can excite backward propagation in the form of an interface wave or high-order re-rupture.

Photo of rock cores.
Posted inEditors' Highlights

Diverse Seismic Response in Hectometer-Scale Fracture System

by Xiaowei Chen 17 December 202417 December 2024

An underground experiment with multi-stage stimulations reveals diverse seismic responses within a complex hectometer-scale fracture network, shedding light on induced seismicity behaviors at field scale.

Diagram
Posted inEditors' Highlights

120 Years of Geodetic Data on Kīlauea’s Décollement

by Alexandre Schubnel 26 November 202426 November 2024

A new study explores the deformation and stress changes of Kīlauea’s décollement from 1898 to 2018 by collating an unprecedented 120 years of geodetic data.

A submersible vessel explores a polymetallic nodule field on the seafloor in the Pacific Ocean.
Posted inResearch Spotlights

The Unexpected Role of Magnetic Microbes in Deep-Sea Mining

Aaron Sidder, freelance science writer by Aaron Sidder 26 September 202424 April 2025

A new study highlights the co-occurrence of magnetic bacteria and polymetallic nodules and may offer insights into how the mineral-rich nodules form on the ocean floor.

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Features from AGU Publications

Research Spotlights

How Greenland’s Glacial Troughs Influence Ocean Circulation

29 May 202529 May 2025
Editors' Highlights

Seasonal Iron Cycle and Production in the Subantarctic Southern Ocean

29 May 202529 May 2025
Editors' Vox

Keeping Soil Healthy: Why It Matters and How Science Can Help

29 May 202529 May 2025
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