A look at the sedimentary record in northern Ethiopia tells the story of oceans past—and maybe future.
Plate tectonics
River Slope Connects Modern Topography with Ancient Tectonics
Scientists create models to help them figure out how the slope of a river can record ancient tectonic activity.
Measuring Small-scale Changes Along a Fault as Plates Slip
A see-through plastic fault lets researchers directly measure how earthquake stresses affect fault properties.
A Window into the Pyrenees Mountains' Geologic Past
Researchers use ancient rifting systems in the Bay of Biscay to investigate the precollision history of the Pyrenees Mountains.
Toward Another Lava Lake in the Virunga Volcanic Field?
Earlier this year, a red glow became visible atop Nyamulagira, a volcano in the East African Rift. Helicopter flights soon confirmed lava fountains inside a pit crater on the volcano's central caldera.
