New seismic imaging study of the Puysegur Trench aims to solve one of the last major questions in plate tectonics.
Pacific Ocean
Magma Pockets Lie Stacked Beneath Juan de Fuca Ridge
Analysis of new imaging data suggests that vertically stacked magma chambers are short-lived and contribute to eruptions.
Raising Central American Orography Improves Climate Simulation
Elevation of Central American orography significantly reduces the pervasive tropical rainfall bias by blocking the easterlies and consequently warming the northeastern tropical Pacific.
Climate Clues from One of the Rainiest Places on Earth
One of the world’s rainiest places lies off Colombia’s Pacific coast. New field research sheds light on the Chocó low-level jet, a phenomenon responsible for the region’s precipitation.
A Deep Dive into Organic Carbon Distribution in Hadal Trenches
Researchers use sediment cores to study the amount and origin of sediment organic carbon in one of the least studied regions of the planet: hadal trenches.
Ocean Sensors Record Rare Triple Tsunami near New Zealand
A new suite of DART buoys in the South Pacific Ocean spotted waves set in motion by three tsunamigenic earthquakes that occurred within hours of one another.
What Happens When Six Sea Turtles Go Rogue
In a study of more than 200 sea turtles, researchers were surprised by six turtles that went their own way.
Probing the Age of the Oldest Ocean Crust in the Pacific
A new study extends the calibration of the Mesozoic Sequence down to the Mid Jurassic with multiscale marine magnetic anomaly data, demonstrating extraordinarily high reversal frequency.
Subduction May Recycle Less Water Than Thought
A new analysis of seismic data from the Middle America Trench suggests that previous calculations have vastly overestimated the total amount of water transported to the mantle worldwide.
Overturning in the Pacific May Have Enabled a “Standstill” in Beringia
During the last glacial period, a vanished ocean current may have made the land bridge between Asia and the Americas into a place where humans could wait out the ice.