The GEOSCOPE Metadata (Network G) is available in FDSN StationXML format.
StationXML is an XML representation of metadata that describes the data collected by geophysical instrumentation.
The metadata is produced and validated by the GEOSCOPE Network.
The GEOSCOPE metadata in FDSN StationXML format is avaiable through FDSN Web Services. For more information, go to Access to validated data.