Researchers delve into the dirt causing rivers to migrate.
sediments
Tsunami Sands Help Scientists Assess Cascadia Earthquake Models
With evidence from new sediment cores, researchers tested the performance of various models of the 1700 CE megathrust earthquake.
A Million Years Without a Megaslide
A new study goes deep into the Gulf of Alaska to examine the sixth-largest underwater landslide and investigate why a similar event hasn’t happened since.
The Crocodile Dundee Site Helping Rewrite the History of Australian Bushfires
A lake made famous by Hollywood has yielded powerful new evidence that humans have conducted controlled burns on the Red Continent for tens of thousands of years.
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.
Mars as a Driver of Deep-Sea Erosion
An analysis of breaks in deep-sea sediment links the geological record to a 2.4-million-year cycle that heats Earth and ventilates our oceans.
Submarine Avalanche Deposits Hold Clues to Past Earthquakes
Scientists are making progress on illuminating how undersea sedimentary deposits called turbidites form and on reconstructing the complex histories they record. But it’s not an easy task.
Scientists Quantify Blue Carbon in Bahamas Seagrass
The island nation’s underwater fields store huge reserves of carbon, though not as much as scientists thought.
Mapping Sinking Land for Tribal Resilience in Louisiana
The Grand Caillou/Dulac Band of Biloxi Chitimacha Choctaw Tribe has been losing land to the sea, which could hamper efforts to gain federal recognition.
Roman Plagues Struck During Cool, Dry Periods
Marine sediments from the Gulf of Taranto offer a high-resolution look at climate during ancient disease outbreaks.
