Seismic reflection images combined with petrological data provide new constraints on the nature of the basement in the enigmatic Australia-Antarctic oceanic-continent transition zone.
Seafloor morphology, geology, and geophysics
Posted inNews
Momentum Grows for Mapping the Seafloor
Initiatives like the Nippon Foundation-GEBCO Seabed 2030 Project can help us better understand the ocean.
Posted inFeatures
The Search for the Severed Head of the Himalayas
To unearth the very first sediments to erode from the Himalayas, a team of scientists drilled beneath the Bay of Bengal.
Posted inScience Updates
Exploring the Unknown of the Ross Sea in Sea Ice–Free Conditions
A team of polar scientists aboard the OGS Explora, cruising in rare ice-free conditions, discovered new evidence of ancient and modern-day ice sheet sensitivity to climatic fluctuations.
Posted inResearch Spotlights
How Do Deep-Sea Gravity Currents Transport Sediment So Far?
The first field measurements of turbidity currents flowing around submarine channel bends indicate spiral flow plays a key role in keeping sediment suspended for hundreds of kilometers.
Posted inNews
Deep-Seabed Mining May Come Soon, Says Head of Governing Group
New regulations could open the door for sustainable mining, says the head of the International Seabed Authority. However, he and others pointed to environmental, financial, and technical challenges.
Posted inScience Updates
An 1888 Volcanic Collapse Becomes a Benchmark for Tsunami Models
When volcanic mountains slide into the sea, they trigger tsunamis. How big are these waves, and how far away can they do damage? Ritter Island provides some answers.
Posted inNews
Seafloor Data from Lost Airliner Search Are Publicly Released
Detailed maps of the bottom of the Indian Ocean reveal deep canyons and landslides but no wreckage of Malaysia Airlines flight MH370, which went missing in 2014.
Posted inScience Updates
Scientists Spend Arctic Winter Adrift on Sea Ice
A hovercraft-based ice drift station gives researchers access to previously inaccessible regions of the changing Arctic sea ice cover off the coast of Greenland.
Posted inResearch Spotlights
Earthquakes May Prevent Underwater Landslides
Smaller quakes around the active edge of continental plates may contribute to increased stability by promoting compaction and solidifying the top 100 meters of seafloor sediment.