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Earth’s crust

Photo of a hilly landscape with lines annotating a low-angle fault
Posted inNews

Flowing Crust Pushes Faults on Their Backs

by Rebecca Owen 27 September 202327 September 2023

Puzzlingly shallow faults in western Türkiye are likely getting a boost from below.

A fault segment offset an agricultural field during the Kahramanmaraş earthquake sequence.
Posted inFeatures

The 2023 Türkiye-Syria Earthquakes Shifted Stress in the Crust

by Erin Martin-Jones 24 August 202329 August 2023

In February, a devastating magnitude 7.8 earthquake struck the eastern Mediterranean, triggering a second major jolt and a cascade of aftershocks.

Illustration of the Earth's internal structure.
Posted inEditors' Vox

Digging Deep into Interactions Between the Core and Mantle

by Takashi Nakagawa, Taku Tsuchiya, Madhusoodhan Satish-Kumar and George Helffrich 24 July 20234 August 2023

A new book presents major advances in our understanding of core-mantle interaction and co-evolution, and showcases technological developments improving our insights into deep Earth processes.

Map and graphs from the paper.
Posted inEditors' Highlights

Machine Learning Helps Constrain the Thickness of Ancient Crust

by Emily Chin 1 June 202331 May 2023

A machine learning model trained using data on the chemical composition of magmatic rocks yields comparable, if not better, results to previously developed geochemical proxies.

Diagrams showing the two effects of water storage change can be sensed by GPS.
Posted inEditors' Highlights

GPS Observations Sense Groundwater Change in Australia

by Annette Eicker 20 April 202319 April 2023

By exploiting the fact that changes in groundwater cause deformations of the Earth’s surface, GPS receivers are used to detect groundwater changes related to extreme events and to seasonal oscillations.

Graph from the paper
Posted inEditors' Highlights

The Depleted Mantle Merry-Go-Round 

by Vincent Salters 5 April 20234 August 2023

Abyssal peridotites show through their isotopic composition a complex history. From differences we can infer the existence of ultra depleted mantle and an uneven contribution to ridge magmatism.

A metal cylinder and box surrounded by dry grass in front of a house in a rural area.
Posted inNews

The Western Great Basin Has an Arsenic Problem—Blame Its Geology

by Elise Cutts 31 March 2023

A new study links geological factors such as faulting and geothermal activity to an elevated risk of arsenic contamination in private wells across the Great Basin.

Photo of the Apennine Mountains in Italy.
Posted inEditors' Highlights

Topography Along the Apennines Reflects Subduction Dynamics

by Duna Roda-Boluda 15 March 202313 March 2023

Topography and exhumation vary strongly along the Apennines, reflecting the geometry of the Moho and different geodynamic mechanisms.

A volcano with two snow-dusted peaks in an arid landscape with a cloudless blue sky.
Posted inResearch Spotlights

Mapping the Fizzy Brines and Fluid-Filled Fractures Below a Volcano

Sarah Stanley, Science Writer by Sarah Stanley 9 March 202320 March 2023

Seismic tools reveal where hydrothermal fluids lie beneath the Uturuncu volcano in Bolivia and hint at their composition.

一个球形海底地震仪下降到海面
Posted inResearch Spotlights

小尺度对流搅动大洋岩石圈

Sarah Derouin, Science Writer by Sarah Derouin 6 March 20236 March 2023

海底扩张将岩石圈矿物组织成一个晶格,但小规模的对流混杂在最内层。

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“Neural Networks Map the Ebb and Flow of Tiny Ponds”
By Sarah Derouin

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“Collaboration Helps Overcome Challenges in Air Quality Monitoring”
By Muki Haklay

EDITORS' VOX
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“What We Know and Don’t Know About Climate Tipping Elements”
By Seaver Wang

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