| Network | Data Center | Description | Start Year | End Year |
|---|---|---|---|---|
| AY |
|
Haitian Seismic Network, Bureau of Mines and Energ | 1980 | 2599 |
| C2 |
|
1980 | 2599 | |
| C8 |
|
Canadian Seismic Research Network | 1980 | 2599 |
| CA |
|
Catalan Seismic Network | 1980 | 2599 |
| CN |
|
Canadian National Seismograph Network | 1980 | 2599 |
| EB |
|
Ebre Observatory Seismic Network | 1980 | 2599 |
| ES |
|
Spanish Digital Seismic Network | 1980 | 2599 |
| PO |
|
POLARIS network, Canada | 1980 | 2599 |
| QW |
|
1980 | 2599 | |
| QX |
|
EEW arrays | 2023 | 2599 |
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