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Scientific Discipline Seafloor morphology, geology, and geophysics

Geology & Geophysics
View of the Ross ice shelf from the OGS Explora, 9 February 2017.

Project Update 11 October 2018

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.
Read More »
Geology & Geophysics
Ocean drilling cores offer insight into subduction zone behavior and how it might generate earthquakes and tsunamis

Meeting Report 30 July 2018

At-Sea Workshop Advances Subduction Zone Research

International Ocean Discovery Program Core-Log-Seismic integration at Sea ([email protected]) workshop; Nankai Trough, Philippine Sea, off the coast of southwest Japan, January–February 2018
Read More »
Hydrology, Cryosphere & Earth Surface
Researchers combine estimates of sea surface height and circulation patterns in the Southern Ocean to see the bigger picture.

Research Spotlight 30 April 2018

A Complete Picture of Southern Ocean Surface Circulation

For the first time, researchers combine estimates of sea surface height and circulation patterns in both ice-covered and ice-free regions of the Southern Ocean.
Read More »
Hydrology, Cryosphere & Earth Surface
The first field measurements of deep-sea turbidity currents reveal the mechanism behind how they transport sediment so far.

Research Spotlight 2 March 2018

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.
Read More »
Geology & Geophysics
New Zealand’s Canterbury coast seen from R/V Tangaroa during the MARCAN program’s controlled-source electromagnetic survey.

Project Update 29 January 2018

How Offshore Groundwater Shapes the Seafloor

The MARCAN project, launched last January, is working to fill a gap in our knowledge of how freshwater flowing underground shapes and alters the continental margins.
Read More »
Geology & Geophysics
The spotlights of a remotely operated vehicle illuminate carbonate rock spires of the Lost City hydrothermal vent field in the Atlantic Ocean.

News 22 November 2017

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.
Read More »

3 Comments

Geology & Geophysics
Scientists aboard the R/V Sonne profiled the seafloor and subsurface near Ritter Island, north of New Guinea, in 2016.

Project Update 10 October 2017

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.
Read More »
Geology & Geophysics
Southern Alaska’s Lisianski Inlet, near the site of a systematic survey of the Queen Charlotte-Fairweather Fault.

Project Update 15 August 2017

A Closer Look at an Undersea Source of Alaskan Earthquakes

A systematic survey offers a striking portrait of movement along a 500-kilometer-long undersea section of the Queen Charlotte–Fairweather fault off the coast of southeastern Alaska.
Read More »

2 Comments

Geology & Geophysics
Strips and bands of color off the western coast of Australia indicate the MH370 search area.

News 21 July 2017

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.
Read More »
Geology & Geophysics

Editors' Vox 18 July 2017

Mesmerized by Gracefully Gliding Albatrosses

Despite avian distractions and dreadful weather, a research cruise to map the seafloor off Alaska revealed new insights into the Queen Charlotte Fault.
Read More »
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  • News
    • News & Features
    • Project Updates
    • Meeting Reports
    • AGU News
    • Postcards from the Field
  • News from AGU Journals
    • Research Spotlights
    • Editors’ Highlights
    • Scientific Press Releases
  • Topics & Disciplines
    • Topics
      • Centennial Collection
      • Climate Change
      • Hazards & Disasters
      • Natural Resources
      • Science Policy
      • Space & Planets
      • Education
      • Women in Geoscience
    • Scientific Disciplines
      • Atmospheric Sciences
      • Biogeosciences
      • Geochemistry, Mineralogy, Volcanology
      • Geohealth
      • Geology & Geophysics
      • Global Change
      • Hydrology, Cryosphere & Earth Surface
      • Mathematical Geophysics
      • Natural Hazards
      • Ocean Sciences
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