| Network | Data Center | Description | Start Year | End Year |
|---|---|---|---|---|
| EE |
|
Estonian Seismic Network | 1980 | 2599 |
| EI |
|
Irish National Seismic Network, DIAS, Dublin, Ireland | 1980 | 2599 |
| PL |
|
Polish Seismic Network | 1980 | 2599 |
| PM |
|
Portugese National Seismic Network (IM_Net) | 1980 | 2599 |
| PZ |
|
PIRES: Princes Islands Real-time Earthquake monitoring System | 2006 | 2599 |
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