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Gridded Bathymetry Data

GEBCO global bathymetric grid

GEBCO’s gridded bathymetric data sets are global terrain models for ocean and land. The grids are available to download or access through Web Map Services.

Data & Products

Part of the GEBCO world map showing bathymetry from the GEBCO grid and names from the GEBCO Gazetteer of Undersea Feature Names

GEBCO produces and makes available a range of bathymetric data sets and products. This includes a global bathymetric grid; gazetteer of undersea feature names, a Web Map Service and printable maps of ocean bathymetry.

Seabed 2030

3D view of the GEBCO grid for the Mariana Trench region in the Northwest Pacific Ocean

Seabed 2030 is a collaborative project between the Nippon Foundation and GEBCO. It aims to bring together all available bathymetric data to produce the definitive map of the world ocean floor by 2030 and make it available to all.

Imagery from the GEBCO WMS

GEBCO Spotlight

Changes to the GEBCO Web Map Service (WMS)

From the 3rd of March 2021 we are making some changes to the GEBCO WMS. Find out more about these updates.

Latest Stats and information

  • How deep are the oceans?

    The deepest depth measured so far in the oceans is around 10,920m in the Challenger Deep, part of the Mariana Trench, in the Northwest Pacific Ocean. For comparison, Mount Everest is around 8,850m high.

  • Over 1,300 seafloor 'mountains' named

    The GEBCO Gazetteer of Undersea Feature Names includes names for over 1,300 seamounts, (elevations on the seafloor over 1,000m high).

  • Training program now in 17th year

    Since 2004, the Nippon Foundation/GEBCO Training Program has trained students from around the world in seafloor mapping through a one-year postgraduate course held at the University of New Hampshire, USA.

Latest News

Imagery from the Ryder 2019 research expedition to the remote Ryder Glacier in northwest Greenland. Imagery courtsey of Prof. Martin Jakobsson, 2019
Contribute to the Seabed 2030 Image Stream

We are creating a curated soon to be publicly available image archive for the press, our partners and the world! We are interested in imagery relating to seafloor mapping. So, if you have any photos, videos or images, that make you go wow! - then this is the perfect opportunity to see your work published and further the interest in seafloor mapping.

Welcome to the new Chair and Vice-Chair of the GEBCO Guiding Committee
Welcome to the new Chair and Vice-Chair of the Guiding Committee

During GEBCO's recent Guiding Committee meeting, Mr. Evert Flier and Dr. Marzia Rovere were elected as Chair and Vice-Chair repectively.

GEBCO logo
General Bathymetric Chart of the Oceans

GEBCO's aim is to provide the most authoritative publicly-available bathymetry of the world's oceans. It operates under the joint auspices of the International Hydrographic Organization (IHO) and the Intergovernmental Oceanographic Commission (IOC) (of UNESCO).

Some of our People
Mr. Evert Flier, Chair, GEBCO Guiding Committee, Norwegian Mapping Authority,
Norway
Evert Flier

Chair, GEBCO Guiding Committee
Norwegian Mapping Authority,
Norway

Contact Details
Dr. Marzia Rovere, Vice-Chair, GEBCO Guiding Committee, ISMAR, Italy
Marzia Rovere

Vice-Chair
GEBCO Guiding Committee
ISMAR, Italy

Contact Details
Mr Shin Tani, Immediate past Chair of GEBCO Guiding Committee, Japan
Shin Tani

Immediate past Chair of GEBCO Guiding Committee
Japan

Contact Details
Prof. Martin Jakobsson, Memeber of the GEBCO Guiding Committee, Stockholm University, Sweden
Martin Jakobsson

Memeber of the GEBCO Guiding Committee
Stockholm University, Sweden

Contact Details
Dr. Vicki Ferrini, Chair of SCRUM, Lamont-Doherty Earth Observatory, USA
Vicki Ferrini

Chair of the Regional Mapping Sub-Committee
Lamont-Doherty Earth Observatory, Columbia University, USA

Contact Details
Prof. Hyo Hyun Sung, Chair of SCOPE, Ewha Womans University, Republic of Korea
Hyo Hyun Sung

Chair of the Communication and Outreach Sub-Committee
Ewha Womans University,
Republic of Korea

Contact Details
Prof. Hyo Hyun Sung, Chair of SCUFN, Korea Institute of Geoscience and Mineral Resources (KIGAM), Republic of Korea
Hyun-Chul Han

Chair of the Undersea Feature
Names Sub-Committee
Korea Institute of Geoscience
and Mineral Resources,
Republic of Korea

Contact Details
Dr. Karen Marks, NOAA, USA
Karen M Marks

Chair, Cook Book Working Group
NOAA, USA

Contact Details
Dr. Rochelle Wigley, Director, Nippon Foundation-GEBCO Training Programme, UNH, USA
Rochelle Wigley

Director, Nippon Foundation-GEBCO Training Programme
UNH, USA

Contact Details
Mr. David Millar, Member of the GEBCO Guiding Committee, Fugro, USA
David Millar

Member of the GEBCO Guiding Committee
Fugro, USA

Contact Details