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World Data Service for Marine Geophysics

Marine Geological and Geophysical
Data Management at NGDC

NGDC organizational diagram

About MGG

Marine geological and geophysical data at the National Geophysical Data Center are managed by the MGG Division. The National Geophysical Data Center is part of the US Department of Commerce, National Oceanic and Atmospheric Administration (NOAA), National Environmental Satellite, Data, and Information Service (NESDIS). NGDC is one of three NOAA National Data Centers (NNDC).

NGDC's mission with regard to Marine Geology & Geophysics (MGG) is data management in the broadest sense, playing a role in the nation's research into the environment and providing data to a wide group of users.

NGDC is responsible for stewardship, archival, and dissemination of geological and geophysical data from the global sea floor and lakebeds. Data are compiled from both national and international sources through cooperative programs and exchange agreements, including through the World Data Center system.

Contribute Data

Guidelines for Contributing MGG Data

National Cooperative Activities

NGDC is the data management lead for US exploration of potential extended continental shelf (ECS) areas, creates high-resolution digital elevation models in support of tsunami inundation studies, stewards NOS data in support of charting and navigation, and is the US National long-term archive for marine geological and geophysical data collected with US public funds.

International Cooperative Activities

In addition to operating the World Data Service for Geophysics, NGDC also operates the International Hydrographic Organization Data Center for Digital Bathymetry (IHO DCDB) on behalf of the Member Nations of the International Hydrographic Organization, and participates in many international projects and organizations.

For More Information

Please let us know how we can help you. We offer a full range of custom services in addition to standard data products and publications.

For more information on the mission of NGDC in the area of Marine Geology & Geophysics, please contact: Ms. Susan McLean, Chief, MGG Division of NGDC, NOAA/NGDC Mail Code E/GC3, 325 Broadway, Boulder, CO USA 80305-3328. fax 303-497-6513, phone 303-497-6478. The Marine Geology and Geophysics Division is also responsible for Natural Hazards and Geomagnetic data management within NGDC.

ICRA logo, go to Internet Content Rating Association site. MGG is a select site of, academic info, go to academicinfo. Rated by Schoolzone's panel of teachers, go to Schoolzone. Internic 1997 Featured Site, go to aldea. Exploratorium Oct 1996 10 Coolest Sites, go to exploratorium. GSC June 1995 Earth Science Site of the Week, go to GSC.