GFZ
ODC
INGV
IPGP
FDSN/IRIS
SeedLink/ArcLink
Network
Multi-national
Data Archives & Portals
National Data
Archives & Portals
VEBSN
Real-Time Data
Offline Data
Temp. Net Data
ArcLink Requests
GEVN (Global)
IOTWS/NEAMTWS
Temp. Nets
Italian
Networks
French
Networks
User
Sync
....(ETH)
EIDAC – European Integrated Data Center
Distributed Archives
connected by ArcLink
& SeedLink
NA2/NA3
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