| Network | Data Center | Description | Start Year | End Year |
|---|---|---|---|---|
| AY |
|
Haitian Seismic Network, Bureau of Mines and Energ | 1980 | 2599 |
| BW |
|
BayernNetz | 1980 | 2599 |
| C2 |
|
1980 | 2599 | |
| C8 |
|
Canadian Seismic Research Network | 1980 | 2599 |
| CN |
|
Canadian National Seismograph Network | 1980 | 2599 |
| NA |
|
Caribbean Netherlands Seismic Network | 2006 | 2599 |
| NL |
|
Netherlands Seismic and Acoustic Network | 1993 | 2599 |
| NR |
|
NARS Netherlands | 1980 | 2599 |
| PO |
|
POLARIS network, Canada | 1980 | 2599 |
| QW |
|
1980 | 2599 | |
| QX |
|
EEW arrays | 2023 | 2599 |
| Z3 |
|
AlpArray Seismic Network (AASN) temporary component | 2015 | 2022 |
| Z6 |
|
AdriaArray Temporary Network: Albania, Austria, Czech Rep., Germany, Hungary, Kosovo, Montenegro, Slovakia | 2022 | 2599 |
| ZJ |
|
PACASE | 2019 | 2599 |
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