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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, and includes the GEBCO 2014 Grid, a global 30 arc-second interval grid. 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.

GEBCO Symposium 2019

GEBCO Spotlight

Map the Gaps

GEBCO Symposium on Bathymetry

This year's Symposium, will be held in Portsmouth, New Hampshire, USA, 6th November 2019.

Join the world’s experts on ocean floor mapping for a special one-day event focused exclusively on bathymetry.

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 15th year

    Since 2004, the Nippon Foundation/GEBCO Training Program has trained 90 students from 39 countries in seafloor mapping through a one-year postgraduate course held at the University of New Hampshire, USA.

Latest News

Year 16 class of the Nippon Foundation/GEBCO Training Program
Welcome to the Year 16 Class of the Nippon Foundation/GEBCO Training Program

The GEBCO community is pleased to welcome the students just beginning the 2019/2020 class of the Nippon Foundation/GEBCO Training Program at the University of New Hampshire.

The GEBCO Ocean Map 2019
International project to chart the world’s ocean floor announces doubling of data available for definitive global map

With the release of the GEBCO 2019 grid, a doubling of bathymetric data has been made available.

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 Shin Tani, Chair GEBCO Guiding Committee, Japan
Shin Tani

Chair GEBCO Guiding Committee
Japan

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Prof. Martin Jakobsson, Vice-Chair GEBCO Guiding Committee, Stockholm University, Sweden
Martin Jakobsson

Vice-Chair GEBCO Guiding Committee
Stockholm University, Sweden

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Dr. Karen Marks, NOAA, USA
Karen M Marks

Chair, Cook Book Working Group
NOAA, USA

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

Director, Nippon Foundation-GEBCO Training Programme
UNH, USA

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Dr. Robin Falconer, Immediate past Chair of the GEBCO Guiding Committee, New Zealand
Robin Falconer

Immediate past Chair of the GEBCO Guiding Committee
New Zealand

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Dr. Marzia Rovere, Member of the GEBCO Guiding Committee, ISMAR, Italy
Marzia Rovere

Member of the GEBCO Guiding Committee
ISMAR, Italy

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

Member of the GEBCO Guiding Committee
Fugro, USA

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