FTP (File Transfer Protocol) Site

Welcome! The NGDC Anonymous FTP servers allow users to download or contribute geophysical data.
Data access will generally be easier via the NGDC Data Discipline pages,
and FTP access is recommended only for experienced users.

Contribute Data:

Please email the appropriate data specialist before sending data. To upload data, use our incoming FTP server: incoming.ngdc.noaa.gov, User: anonymous, Password: your email address.

Download Data:

Download Custom Data Files generated for you, or select data from the outgoing NGDC Anonymous FTP server (ftp.ngdc.noaa.gov) in the following subject areas:


World Magnetic Model (WMM), Aeromagnetism, Paleomagnetism, Daily Field Variations


Ecosystems, Global Change


DART, marigrams,

Marine Geology & Geophysics:

Bathymetry, Geology, Geophysics, and Shorelines data, previously offered via ftp are now downloadable through NGDC's Web pages.

Solar-Terrestrial Physics:



Airglow, Aurorae, Cosmic Rays, Flares, Irradiance, Sunspots