| Network | Data Center | Description | Start Year | End Year |
|---|---|---|---|---|
| AY |
|
Haitian Seismic Network, Bureau of Mines and Energ | 1980 | 2599 |
| BL |
|
IAG-USP | 1980 | 2599 |
| BR |
|
UnB | 1980 | 2599 |
| BW |
|
BayernNetz | 1980 | 2599 |
| C2 |
|
1980 | 2599 | |
| C8 |
|
Canadian Seismic Research Network | 1980 | 2599 |
| CN |
|
Canadian National Seismograph Network | 1980 | 2599 |
| PO |
|
POLARIS network, Canada | 1980 | 2599 |
| QW |
|
1980 | 2599 | |
| QX |
|
EEW arrays | 2023 | 2599 |
| XC |
|
Pantanal, Chaco and Parana (PCPB) structural studies network | 2016 | 2599 |
| XV |
|
Guyana Active Seismicity Network | 2021 | 2599 |
| Y4 |
|
Brazilian Temporary Seismographic Experiments | 2013 | 2014 |
| 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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