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B. S. G. Almqvist

Series of global maps showing virtual geomagnetic pole paths as calculated from the Black Sea paleomagnetic directional record
Posted inEditors' Highlights

The Restless Geomagnetic Field Over the Past 70,000 Years

by B. S. G. Almqvist 25 September 202030 September 2022

Detailed paleomagnetic records from Black Sea sediments reveal intricate changes in the field during geomagnetic excursions.

Photomicrographs in backscatter electron image mode of tholeiitic basalt samples
Posted inEditors' Highlights

A Thermochemical Recording Mechanism of Earth’s Magnetic Field

by B. S. G. Almqvist 27 September 201910 November 2021

A laboratory study assesses thermochemical remanence as a reliable paleointensity recorder, which could open new venues for studying Earth’s ancient magnetic field.

Shear contact strength and shear stress as a function of a step increase in normal stress
Posted inEditors' Highlights

Laboratory Study Probes Triggering Mechanisms of Earthquakes

by B. S. G. Almqvist 3 July 20196 October 2021

A new experimental technique traces the state of a shearing fault gouge and shows for the first time how friction of a fault surface can change as a function of varying normal stress.

Posted inEditors' Highlights

Seismic Anisotropy Due to a Compositionally Layered Mantle

by B. S. G. Almqvist 8 March 20194 October 2022

Investigating the role of layered rocks and compositional banding on mineral scale in generating seismic anisotropy in the mantle.

Optical photo taken with gypsum plate and a petrological microscope.
Posted inEditors' Vox

The Earth’s Elastic Crust

by B. S. G. Almqvist and D. Mainprice 22 June 201729 September 2022

A recent paper in Reviews of Geophysics discussed how the mineral composition and microfabric of the continental crust influences its seismic properties.

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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