For close to 20 years, slow-motion earthquakes have been an enigma. Core samples provide new clues to their origins.
subduction
Two Moons and a Magnetosphere
Decades of research have illuminated how Io and Europa shape—and are shaped by—Jupiter’s giant magnetosphere.
Microbial Influences on Subduction Zone Carbon Cycling
An innovative collaboration is investigating how geobiological processes alter fluxes of carbon and other materials between the deep Earth and the surface.
Fluid Pressure Changes Grease Cascadia’s Slow Aseismic Earthquakes
Twenty-five years’ worth of data allows scientists to suss out subtle signals deep in subduction zones.
Using Garnets to Explore Arc Magma Oxidation
Samples collected from Greece help researchers piece together a scientific puzzle.
Seismic Sensors Probe Lipari’s Underground Plumbing
An international team of scientists installed a novel, dense network of 48 seismic sensors on the island of Lipari to investigate the active magma system underground.
Addressing Cascadia Subduction Zone Great Earthquake Recurrence
USGS Powell Center Cascadia Earthquake Hazards Working Group; Fort Collins, Colorado, 25–29 March 2019
Déjà Vu: Understanding Subduction Zones’ Cycle of Seismicity
A unique geodetic data set from Japan’s Nankai subduction zone offers an unparalleled opportunity to study surface deformation spanning almost an entire seismic cycle.
Deciphering the Fate of Plunging Tectonic Plates in Borneo
What happens when subduction stops? A team of scientists installed a dense seismic network in Borneo to investigate causes and consequences of subduction termination.
