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plate tectonics

Diagram from the study.
Posted inEditors' Highlights

Cyclic Opening of Deep Fractures Regulates Plate Boundary Slip

by Brandon Schmandt 24 September 202420 September 2024

Seismic anisotropy changes through time suggest that cyclical opening of fluid-filled fractures is synchronized with subduction zone slow slip events.

A deep canyon, which can form when rocks shift.
Posted inResearch Spotlights

High-Pressure Reactions Can Turn Nonporous Rocks into Sponges

by Saima May Sidik 23 September 202423 September 2024

Mathematical models describe how water moves through rocks in deep Earth.

Photo of the Himalayas.
Posted inEditors' Highlights

Sediment Dampens the Impact of Glaciation on Cenozoic Denudation

by Ann Rowan 9 September 20244 September 2024

Rates of continental-scale sediment flux and denudation are similar between glacial and interglacial periods when the aggradation of glacier-eroded sediment inhibits fluvial erosion downstream.

A view of a river running through a valley with green trees. On the right, in the foreground, is a ledge of red rocks.
Posted inResearch Spotlights

Lithospheric Oddities May Be Sculpting Continental Interiors

Sarah Stanley, Science Writer by Sarah Stanley 20 August 202420 August 2024

Researchers propose a novel explanation for vertical motions of Earth’s surface far from active tectonic plate boundaries.

Map of Paradox Basin with symbols
Posted inEditors' Highlights

Faults Along Salt Walls Are Less Stressed in the Paradox Basin

by Birgit Müller 22 July 202422 July 2024

Based on an extended stress database, scientists observe systematic changes in the tectonic stress state and a reduction in fault reactivation potential near salt walls in the Paradox Basin.

Aerial image of a gray volcano topped with snow emitting a large cloud of gray smoke. The volcano is surrounded by dark blue water.
Posted inResearch Spotlights

How Mantle Hydration Changes over the Lifetime of a Subduction Zone

Aaron Sidder, freelance science writer by Aaron Sidder 19 July 202418 July 2024

Water released from subducting oceanic plates influences the formation of volcanoes and earthquakes on Earth’s surface. A new study simulates how slab dehydration and mantle hydration levels change over time.

A wide, flat area of tan-colored earth, with mountains in the distance. In the foreground, a paler, gray-colored substance appears to overlay the ground. Streaks of the tan-colored ground are visible beneath the gray substance.
Posted inResearch Spotlights

Tracing Millions of Years of Geologic Stress in the Andean Plateau

by Nathaniel Scharping 15 July 202415 July 2024

Paleostress modeling shows how a region of the Andean Plateau was uplifted and formed beginning more than 20 million years ago.

Photo of a mountain top
Posted inEditors' Highlights

A Seismogenic Shear Zone Diagonal to the Main Himalayan Thrusts

by Anne Paul 1 July 20241 July 2024

Scientists document active seismic shear along a major lineament of Sikkim Himalaya diagonal to the Main Himalayan Thrusts.

Acantilados grises y beige a la izquierda con vistas a un océano azul a la derecha.
Posted inResearch Spotlights

Cómo los movimientos del manto dan forma a la superficie terrestre

Rachel Fritts, Science Writer by Rachel Fritts 18 June 202418 June 2024

Dos nuevos conjuntos de datos ayudan a los investigadores a separar las influencias de la tectónica de placas y el movimiento del manto en la topografía de la superficie.

A planet with oceans, clouds, and landmasses appears against a black background.
Posted inNews

A Step Closer to Solving the Fermi Paradox

Katherine Kornei, Science Writer by Katherine Kornei 24 May 20249 January 2025

Finding evidence of complex life elsewhere in the Milky Way galaxy hinges on locating rocky planets with plate tectonics and a mixture of landmasses and oceans, new research suggests.

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