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Tectonics

Visit the journal.

Steam and gas rise from a volcano on the island of Java, Indonesia.
Posted inScience Updates

Earth’s Volatile Balancing Act

by J. D. Muirhead, Samer Naif, T. P. Fischer and D. J. Shillington 24 March 20213 November 2021

How do greenhouse gases and water circulate from minerals deep below Earth’s surface into the atmosphere and oceans—and then back again? Our understanding continues to evolve.

St. Barthélemy Island, viewed from the Coco Islet
Posted inScience Updates

By Land or Sea: How Did Mammals Get to the Caribbean Islands?

by P. Münch, P.-O. Antoine and B. Marcaillou 19 November 202022 August 2023

A multidisciplinary team is jointly investigating mammal evolution and subduction dynamics to unravel how flightless land mammals migrated to the Greater Antilles and other Caribbean islands.

The ancient Roman theater of Tiberias looks out over the Sea of Galilee.
Posted inResearch Spotlights

Ancient Ruins Reveal 8th Century Earthquake in Sea of Galilee

Joshua Learn, Science Writer by Joshua Rapp Learn 5 October 202011 May 2022

Research into past seismic activity shows northeast Israel is still vulnerable to large quakes.

Four proposed models of the structure within the Himalaya with different associated thermal fields
Posted inEditors' Highlights

Deconvolving What Lies Beneath the Himalaya

by T. Schildgen 14 September 202023 September 2022

A new study that combines constraints from the 2015 Gorkha earthquake, forward models of deforming crust, and thermochronology data gives new insights into the structure of the Himalaya.

Shaded relief map illustrating the high topography of the Southern Central Andes and sampling locations used in the study
Posted inEditors' Highlights

What Controlled the Growth of the Southern Central Andes?

by T. Schildgen 15 July 202026 January 2023

Flat-slab subduction appears to have played a minor role in the growth of the Southern Central Andes, with evidence for eastward migrating deformation.

A beach scene along the Oregon coast
Posted inResearch Spotlights

Land Motion Offers Insights into Cascadia Earthquake Cycle

by David Shultz 7 July 202029 September 2021

Comparing recent GPS data with a longer record of sea level along the western coast of North America allows researchers to home in on interseismic deformation above the Cascadia megathrust.

Map of China and surroundings showing GPS-measured crustal velocities and large earthquakes
Posted inResearch Spotlights

Space-Based Data Expand Understanding of Crustal Deformation

Kate Wheeling, freelance science writer by Kate Wheeling 27 March 202029 September 2021

Researchers used the largest GPS data set yet to examine deformation of the crust across continental China and its implications for tectonic activity.

Images from the cover of the AGU journal Tectonics
Posted inEditors' Vox

Editorial Handover at Tectonics

by T. Schildgen and J. Geissman 4 February 20207 April 2023

The outgoing and incoming Editors in Chief of Tectonics reflect on recent years of growth and expansion in the journal while they ponder and plan for the challenges ahead.

Diagram showing the subduction of the Ionian tectonic plate beneath the Tyrrhenian plate off the coast of Italy
Posted inResearch Spotlights

New Volcanic Complex Found Below the Southern Tyrrhenian Sea

by Terri Cook 11 September 201920 December 2021

Researchers have identified a previously unknown volcanic-intrusive complex that originated through the melting of mantle material at the northern edge of the Ionian slab.

Posted inEditors' Highlights

Low-angle Normal Fault in Papua New Guinea is Rolling Along

by N. Niemi 22 May 20196 October 2021

Geologic and geomorphic observations of an active low-angle normal fault reveal a rolling-hinge mechanism accommodating the exhumation of a metamorphic core complex in Papua New Guinea.

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