Between 15 million and 6 million years ago, a drop in ocean crust production may have lowered sea level by 26–32 meters.
Earth science
Posted inNews
Cave Deposit Links Greenland’s and Europe’s Climate Records with a German Volcano
Dating a late Pleistocene eruption has big implications for understanding the Younger Dryas—and current climate change.
Posted inNews
¿Seis mil años de quema controlada arruinados?
Al alterar prácticas milenarias de gestión del fuego, la colonización creó una situación mortal en los bosques australianos, pero aún no se sabe hasta qué punto se extendió la “quema cultural”.
Posted inEditors' Highlights
Skewed Subduction Shear Zones
A global reanalysis of both short- and long-term deformation clarifies how obliquity affects strain partitioning in convergent plate boundaries.
Posted inScience Updates
Confronting Debris Flow Hazards After Wildfire
Scientists and practitioners have identified research priorities to improve scientific understanding of postfire debris flows and meet decisionmaking challenges posed by this growing hazard.
Posted inEditors' Highlights
Modeling Mantle Dynamics as the Earth Slowly Cools
An update of the convection code ASPECT enables full coupling of plume dynamics with buoyancy effects of transition zone phase relations, showing how early layering gave way to whole-mantle plumes.
Posted inEditors' Highlights
The Pulsed Pace of Glacial Erosion
New data from Lago Argentino, Patagonia reveal that glacial erosion occurs in discrete pulses, which challenges previous ideas that erosion rates have increased over time due to climate change.
Posted inAGU News
Geologic Mysteries at 8,000 Meters
Our March issue takes you on an epic journey with the rocks of Mount Everest, from seafloor to summit.
Posted inFeatures
How to Build the World’s Highest Mountain
The rocks of Mount Everest’s peak made an epic journey from seafloor to summit.
Posted inNews
Panama Canal Logistics Are at the Mercy of Weather and Climate
Regional weather variability and climate change make operating the canal a challenge.