Cabled ocean-floor observatories record ground shaking and pressure variations, which contribute to early warning systems and give us a unique view of the ocean–crust coupling.
seafloor
Posted inEditors' Highlights
Can Anelastic Attenuation of Oceanic Mantle be Reliably Measured?
A new study demonstrates that robust anelastic attenuation measurements can be made across ocean bottom seismic arrays at different locations using surface wave array analysis.
Posted inNews
A Mysterious Dome Reveals Clues to Australia’s Miocene History
The Nullarbor Plain has been relatively untouched by geological forces, leaving traces of the continent’s deep past.
Posted inNews
Seafloor Reveals a Period of Rapid Retreat for Thwaites Glacier
New high-resolution seafloor imagery shows a series of delicate ridges produced by the glacier’s front as it bobbed daily with the tides, revealing a recent period of rapid retreat.New high-resolution seafloor imagery shows a series of delicate ridges produced by the glacier’s front as it bobbed daily with the tides, revealing a recent period of rapid retreat.
Posted inEditors' Highlights
A Really Big (Global) Splash at Chicxulub
What caused a tsunami 30,000 times more powerful than the December 26, 2004 Indian Ocean tsunami? A new modeling study says this was one of the results from the Cretaceous Chicxulub asteroid impact.
Posted inResearch Spotlights
Melting Below the Pine Island Ice Shelf Minds the Gap
New research shows that increased calving from West Antarctica’s Pine Island Ice Shelf will likely drive increased circulation of warm water—and melting—below the ice.
Posted inResearch Spotlights
When Projecting Coastal Resilience, Sediment Compaction Is Key
The addition of new sediment helps build up lowland environments like deltas and marshes, but it also compacts materials beneath it—a vital, but often overlooked, factor in landscape evolution studies.
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River Floods Can Trigger Powerful Underwater Landslides
A record-length turbidity current triggered by river flooding has revealed a new link between the surface and the deep sea.
Posted inResearch Spotlights
Deep Earthquakes Suggest Well-Hydrated Mariana Subduction Zone
Earthquakes as deep as 50 kilometers below the seafloor were detected by 12 ocean bottom seismometers placed around the Challenger Deep.
Posted inEditors' Highlights
Growth That Economists Would Envy
A new study reveals how small cracks turn into gigantic submarine slides.