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Journal of Geophysical Research: Solid Earth

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View of Long Valley Caldera in California with snow-covered mountains in the background
Posted inResearch Spotlights

How Heavy Rain and Drought Influence California Crustal Strain

Kate Wheeling, freelance science writer by Kate Wheeling 27 January 20216 October 2021

New research using continuous GPS data reveals how multiyear precipitation patterns can amplify the effects of hydrological loading on crustal deformation.

Interseismic and coseismic slip models of the Philippine Fault on Leyte island
Posted inEditors' Highlights

A New Picture of Seismogenesis on the Philippine Fault

by Isabelle Manighetti 19 January 20216 October 2021

Long-time series of satellite observation reveal that the creeping segment of the Philippine Fault is also capable of producing strong earthquakes, and show where these earthquakes might occur.

Figures showing modeling of fault related anisotropy
Posted inEditors' Highlights

Fault Related Anisotropy in the Hikurangi Subduction Zone

by A. Becel 13 January 20218 July 2024

A new study provides the first high-resolution three-dimensional anisotropic P-wave velocity model of the shallow part of the Northern Hikurangi subduction zone offshore New Zealand.

Schematic diagram of the experimental apparatus
Posted inEditors' Highlights

The Importance of Wind for the Fate of Volcanic Eruption Columns

by M. Pistolesi 13 November 20202 May 2022

A theoretical model coupled to lab experiments on turbulent jets with reversing buoyancy sheds new light on the role of wind in controlling the dynamics of volcanic eruptive columns.

The toppled remains of a building on the shore of Palu Bay in Indonesia following a 2018 earthquake and tsunami
Posted inResearch Spotlights

Redes Sociales Ayudan a Revelar la Causa del Tsunami en Indonesia en el 2018

Aaron Sidder, freelance science writer by Aaron Sidder 21 October 20206 October 2021

Videos de Twitter y YouTube ayudaron a los científicos a descubrir los mecanismos físicos que generaron el gran tsunami en Palu Bay después de un terremoto de magnitud 7.5.

Example of the convolutional neural network (CNN) approach from an area in the Black Hill norite
Posted inEditors' Highlights

Machine Learning for Magnetics

by Mark J. Dekkers 21 October 202020 December 2021

Classic interpretation of aeromagnetic anomaly maps involves several steps with limiting boundary conditions; a recent study develops convolutional networks largely bypassing these issues.

Plot showing two known endmembers fitted with several magnetic components
Posted inEditors' Highlights

Unmixing Magnetic Components – An Experimental Twist

by Mark J. Dekkers 19 October 202021 October 2021

Various unmixing approaches are used in environmental magnetism, each starting from a different premise; now they are put to the test by scrutinizing experimental mixtures of known endmembers.

Sketches of river flow-induced seismicity (left) and eruption tremor (right) demonstrating their similarities
Posted inEditors' Highlights

Eruption Seismic Tremor Modeled as a Fluvial Process

by Gregory P. Waite 14 October 20202 May 2022

Impact and turbulence models for river tremor are adapted and combined into a model that predicts the amplitude and frequency content of volcanic eruption tremor.

Santa Barbara Channel is seen in the foreground off the coast of Ventura, Calif.
Posted inResearch Spotlights

Southern California’s Crustal Motion Tells of Earthquake Hazards

Aaron Sidder, freelance science writer by Aaron Sidder 9 October 20206 October 2021

Precise measurements of the Earth’s vertical surface motion help to elucidate the hazards of faults in an earthquake-prone region.

Two plots showing the spatial distribution of radon activities at ground level (left) and in free air (right) around the Mount Etna Central Crater
Posted inEditors' Highlights

Radon Enrichment in the Volcanic Plume of Mount Etna

by Corentin Caudron 5 October 202017 November 2022

More than 70 passive sensors on Mount Etna have captured the first radon measurements in volcanic plumes and show that radon could affect people around volcanoes.

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