Online Access Systems

Geoportal Explore geophysical data and resources.
Interactive Maps
& Web Services
Access many data layers through ArcGIS web maps and OGC web services.
Metadata Catalog Browse geophysical data of all types.
SPIDR Space Physics Interactive Data Resource: Search for and view or download Cosmic ray data, DMSP images, geomagnetic indices & data, GOES, interplanetary magnetic field, ionosphere, nighttime lights, solar images, and space weather events. Modeling & data mining of STP data.
FTP Area Browse data types available from NGDC via anonymous FTP, learn who to contact and how to upload data to NGDC.