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seismology

Lava in the Halemaʻumaʻu crater in the Kīlauea volcano.
Posted inNews

Volcanic Lava Lake Belts Out Its Secrets in Seismic “Songs”

by Andrew J. Wight 15 July 20229 March 2023

A cacophony of magma displacements and volcanic gases recorded underneath Kīlauea’s roiling lake of lava could one day provide information to help predict future eruptions.

An artist’s rendering of InSight on the surface of Mars
Posted inResearch Spotlights

Constraining Martian Crustal Thickness with InSight Seismology

by Morgan Rehnberg 12 July 202212 July 2022

The first seismic observations from Mars significantly reduce uncertainty in estimates of the Red Planet’s crustal structure.

Two students from Syiah Kuala University deploy a node in a farmer’s field near the village of Mane, Aceh.
Posted inAGU News

Adventure Time

Heather Goss, AGU Publisher by Heather Goss 23 June 202215 November 2022

In our July issue, we tell the tales of Earth and space scientists as they venture into the field and lab to gather critical data.

A snow-covered mountain summit contains a smoking crater.
Posted inNews

Unlocking the Magmatic Secrets of Antarctica’s Mount Erebus

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 22 June 202222 June 2022

Unprecedented images of Mount Erebus’s inner workings show the unique trappings of a CO2-rich rift volcano.

Three photographs showing nodes being staged, transported by truck, and charged/harvested in racks.
Posted inEditors' Vox

The Big Data Revolution Unlocks New Opportunities for Seismology

by Stephen J. Arrowsmith, Daniel T. Trugman, Karianne Bergen and Beatrice Magnani 9 June 202214 June 2022

The field of seismology is entering a new era where our understanding of earthquakes and the solid earth is increasingly driven by new Big Data experiments and algorithms.

View over open ocean water with clouds tinted pink by a sunrise and a distant, lone mountain on the horizon
Posted inScience Updates

“Landslide Graveyard” Holds Clues to Long-Term Tsunami Trends

by Suzanne Bull, Sally J. Watson, Jess Hillman, Hannah E. Power and Lorna J. Strachan 3 June 20221 August 2022

A new project looks to unearth information about and learn from ancient underwater landslides buried deep beneath the seafloor to support New Zealand’s resilience to natural hazards.

Three-dimensional shear wave velocity maps.
Posted inEditors' Highlights

Probabilistic Tomography Delivers Answers to Basic Questions

by Michael Bostock 13 May 202227 January 2023

Fundamental questions on subsurface properties are robustly addressed through probabilistic assessment of multiple forward/inverse modelling formalisms using interrogation theory.

A red rock tower in front of a backdrop of cloudy sky
Posted inFeatures

Is Earth’s Core Rusting?

by Jiuhua Chen and Shanece S. Esdaille 25 April 20223 January 2023

If subduction carries hydrous minerals deep into Earth’s mantle, they may “rust” the iron outer core, forming vast sinks of oxygen that can later be returned to the atmosphere.

Perspective plot looking west across the Hikurangi margin (New Zealand) at the 3 km/s S-velocity isosurface contoured in depth.
Posted inEditors' Highlights

Adjoint Tomography Illuminates Hikurangi Margin Complexity

by Michael Bostock 21 April 202227 January 2023

Waveform inversion of regional earthquakes reveals velocity anomalies interpreted as subducting seamounts that control an enigmatic segmentation in plate coupling along the Hikurangi margin.

Two people stand on the edge of a road, looking at a straight crack, representing the surface trace of a fault, the cuts across the road and offsets its painted centerline.
Posted inFeatures

Striking Out into the Field to Track Slip on the Sumatran Fault

by Karen Lythgoe, Umar Muksin, Arifullah, Andrean Simanjuntak and Shengji Wei 16 March 202223 June 2022

An international team overcame many challenges, including from the COVID-19 pandemic, to deploy a dense seismic network along an understudied fault system that poses hazards to millions in Indonesia.

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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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