Geologic and geomorphic observations of an active low-angle normal fault reveal a rolling-hinge mechanism accommodating the exhumation of a metamorphic core complex in Papua New Guinea.
Plate tectonics
Posted inScience Updates
Linking Observations and Modeling of Flat-Slab Subduction
The Center for Tectonics and Tomography: Workshop on Flat Slab Subduction; Houston, Texas, 18–20 January 2019
Posted inEditors' Highlights
Imaging an Earthquake Rupture in High Definition
New field measurements using terrestrial laser scanning provide a detailed, centimeter-scale image of surface deformation patterns caused by the Magnitude 6.6 earthquake in Norcia, Italy.
Posted inResearch Spotlights
Resolving a Cordilleran Conundrum
A novel geophysical technique documents the existence of a “missing” fault, along which major displacement could have occurred during the Cretaceous on North America’s northwest margin.
Posted inResearch Spotlights
Magnetic Anomalies on the Pacific Plate Reveal True Polar Wander
A new study rebuffs the standard approach to paleomagnetism and offers an updated methodology and new locations of paleomagnetic poles.
Posted inNews
Podcast: Rifts Beneath the Ocean Floor
In the latest episode of its Centennial series, AGU’s Third Pod from the Sun features the pioneering work of a deep-sea explorer.
Posted inResearch Spotlights
Regional Metamorphism Occurs Before Continents Collide
Evidence from collision zones suggests that the high temperatures that create regional zones of metamorphic minerals occur in wide, hot back arcs prior to continental collision deformation.
Posted inScience Updates
Investigating the Northern Indian Ocean’s Puzzling Geodynamics
International Ocean Discovery Program (IODP) Proposal Nurturing Workshop on Indian Ocean; Goa, India, 17–18 September 2018
Posted inScience Updates
Nations Work Together to Size Up Caribbean Tsunami Hazards
An international collaboration is using historical records and modeling to assess tsunami potential in this high-risk region.
Posted inEditors' Highlights
Successful Testing of Technique to Measure Seafloor Strain
A new optical fiber interferometry strain sensor tested off the Oregon coast holds promising prospects for seafloor geodesy.