The giant impact that formed the Moon may also have led to extrastrong mantle plumes that enabled the first subduction event, kick-starting Earth’s unique system of sliding plates.
plate tectonics
Posted inEditors' Highlights
GAD is Enough!
An exhaustive study in China finds no need to invoke extreme true polar wander nor anomalous geomagnetic fields in the early Neoproterozoic.
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As the Caspian Sea Recedes, Tectonics May Help Shape Its Coastline
Land subsidence and uplift determine where the Caspian Sea’s coastline shifts the fastest.
Posted inResearch Spotlights
How Mantle Movements Shape Earth’s Surface
Two new data sets help researchers tease apart the influences of plate tectonics and mantle movement on surface topography.
Posted inNews
Earthquakes Can Trigger Megathrust Slip in Cascadia
A 2022 earthquake in Northern California may have triggered slow slip in the Cascadia Subduction Zone, according to a new study.
Posted inEditors' Highlights
Forecasting Earthquake Ruptures from Slow Slip Evolution
A new generation of physics-based models that integrate temporal slip evolution over decades to seconds opens new possibilities for understanding how large subduction zone earthquakes occur.
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Uncovering Earthquake Evidence in Azerbaijan’s Greater Caucasus Mountains
A new study unearths geological evidence that corroborates historical accounts of large earthquakes along the Kura fold-thrust belt.
Posted inFeatures
The End of the Eclipse
Scientists are studying how the Earth–Moon distance has changed over time, and what effect that change might have had on our planet. Future changes will extinguish total solar eclipses entirely.
Posted inEditors' Highlights
What’s Hot in Iceland? A Close Up View of Hotspot-Ridge Interaction
New seafloor magnetic data help scientists retrace the evolution of the Reykjanes Ridge, lending insights into the effects of a mantle plume on mid-ocean ridge organization and evolution.
Posted inEditors' Highlights
A Strong Pacific Plate Bends Under the Hawaiian Volcanic Chain
Two seismic studies reveal the volcanic loads and resulting flexure of the Pacific plate at the Hawaiian Ridge and, surprisingly, show no magmatic underplating.