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lava & magma

Illustration of the transport of magmatic and meteoric fluids in the upper crust.
Posted inEditors' Highlights

Coupled Mechanisms of Fluid Transport Across the Crust

by Beatriz Quintal 14 September 202111 May 2022

Magmatic fluid moves up in the ductile zone through porosity waves, accumulates in high-porosity lenses, and migrates across the brittle zone in a convection pattern involving also meteoric fluid.

A photo of Agung volcano
Posted inNews

Lava from Bali Volcanoes Offers Window into Earth’s Mantle

by Jon Kelvey 13 August 20212 May 2022

Lava from the Agung and Batur volcanoes provides a near-pristine picture of Earth’s mantle and raises questions about all volcanoes along the Indonesian Sunda Arc and beyond.

Foto de Kristin Jónsdóttir, la sismóloga de la Oficina Meteorológica de Islandia al frente, con Fagradalsfjall haciendo erupción detrás. A medida que lava naranja sale de pequeño cráter, humo anarajandizo sube al aire. El fondo de basalto negro solidificado brilla en rojo.
Posted inNews

Persiguiendo magma por la península de Reykjanes en Islandia

by Alka Tripathy-Lang 30 June 202110 November 2021

La Oficina Meteorológica de Islandia ha estado rastreando la agitación cerca de la erupción de Fagradalsfjall desde diciembre de 2019, mientras que investigadores en otros lugares exploran nuevos métodos para ver los enjambres sísmicos de Islandia.

Lava that erupted from the Juan de Fuca Ridge formed these pillow and sheet flow basaltic rocks on the seafloor off the coast of Oregon.
Posted inResearch Spotlights

Magma Pockets Lie Stacked Beneath Juan de Fuca Ridge

by Sarah Stanley 14 June 202127 October 2021

Analysis of new imaging data suggests that vertically stacked magma chambers are short-lived and contribute to eruptions.

View into Caldeira Volcano on the ocean island of Faial, Azores.
Posted inEditors' Vox

A 360-degree View of Crustal Magmatic Systems

by M. Masotta, C. Beier and S. Mollo 25 May 202112 October 2021

A new book presents an overview of crustal magmatic systems and explores variations within these systems through analytical, experimental, and numerical approaches.

Photo of Icelandic Meteorological Office seismologist Kristín Jónsdóttir in the foreground, with erupting Fagradalsfjall in the background. As bright orange lava spills out of the small crater and flows behind her, eerie orange-tinged smoke billows into the air. The ground of solidified black basalt glows red.
Posted inNews

Chasing Magma Around Iceland’s Reykjanes Peninsula

by Alka Tripathy-Lang 25 May 20214 August 2022

The Icelandic Meteorological Office has been tracking unrest near erupting Fagradalsfjall since December 2019, while researchers elsewhere explore new methods to see Iceland’s seismic swarms.

Study site used to examine a portion of the Oman–United Arab Emirates ophiolite’s metamorphic sole
Posted inResearch Spotlights

A Closer Look at the Creation of a Metamorphic Sole

by Morgan Rehnberg 20 May 202110 October 2021

Detailing the development of the metamorphic sole beneath the Oman–United Arab Emirates ophiolite provides insight into subduction zone processes.

Three maps of the study area showing the probability of a specific density value occurring in different models.
Posted inEditors' Highlights

Understanding Where and How Magma is Stored

by M. Pistolesi 17 May 202112 October 2021

Gravity measurements reveal depth and storage conditions of rhyolitic magma reservoirs beneath the Laguna del Maule volcanic field in Chile.

A large magma furnace pours a mixture of silicate and metallic lava onto a flat surface, with a pool of semicooled lava flowing. The lava is black, orange, yellow, and silver.
Posted inNews

Imagining What a Metal Volcano Would Look Like

by Kimberly M. S. Cartier 21 April 202110 November 2021

Large-scale lava experiments are helping scientists imagine how metallic lava would flow across and shape a landscape, either on Earth or on a distant asteroid.

Image of orange and red smoke rising from behind the black banks of a lava channel at night
Posted inNews

Insights from the Depths of Hawaii’s Kīlauea Volcano

by Kate Wheeling 11 March 202122 September 2022

One of the world’s best monitored and most active volcanos still has secrets to yield, and researchers are turning to vapor bubbles trapped in melt inclusions to find them.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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