| Network | Data Center | Description | Start Year | End Year |
|---|---|---|---|---|
| AC |
|
Albanian Seismic Network | 2002 | 2599 |
| AZ |
|
Anza Real-Time Broadband Network | 1982 | 2999 |
| BA |
|
Universita della Basilicata Seismic Network | 2005 | 2599 |
| BC |
|
Red Sismica del Noroeste de Mexico | 2001 | 2999 |
| BK |
|
Berkeley Digital Seismic Network | 1992 | 2999 |
| CE |
|
California Strong Motion Instrumentation Program | 1990 | 2999 |
| CI |
|
Southern California Seismic Network | 1900 | 2999 |
| CJ |
|
Caltech Community Seismic Network | 2010 | 2999 |
| EN |
|
EN | 2007 | 2999 |
| GS |
|
US Geological Survey Networks | 2019 | 2999 |
| GU |
|
Regional Seismic Network of North Western Italy | 1980 | 2599 |
| IV |
|
Italian Seismic Network | 1988 | 2599 |
| IX |
|
Irpinia Seismic Network, Italy | 2005 | 2599 |
| IY |
|
Rete Universita Calabria | 2021 | 2599 |
| ML |
|
Malta Seismic Network | 2014 | 2599 |
| MN |
|
Mediterranean Very Broadband Seismographic Network | 1988 | 2599 |
| MX |
|
Mexican National Seismic Network | 1997 | 2999 |
| NC |
|
USGS Northern California Regional Network | 1967 | 2999 |
| NI |
|
North-East Italy Broadband Network | 2002 | 2599 |
| NN |
|
Nevada Seismic Network () | 1974 | 2999 |
| NP |
|
United States National Strong-Motion Network | 1975 | 2999 |
| NR |
|
NARS Array | 2002 | 2999 |
| OT |
|
OTRIONS Local Seismic Network, Apulia, Italy | 2013 | 2599 |
| OX |
|
North-East Italy Seismic Network | 2016 | 2599 |
| PB |
|
Plate Boundary Observatory Borehole Network | 2005 | 2999 |
| PG |
|
Pacific Gas and Electricity | 1986 | 2999 |
| RB |
|
Red Sismologica de Banda Ancha | 2002 | 2999 |
| RF |
|
Friuli Venezia Giulia Accelerometric Network, Italy | 1993 | 2599 |
| SB |
|
UC Santa Barbara Engineering Seismology Network () | 2020 | 2999 |
| SI |
|
Sudtirol Network, Italy | 2006 | 2599 |
| SN |
|
Southern Great Basin Network () | 1995 | 2999 |
| ST |
|
Trentino Seismic Network, Italy | 1981 | 2599 |
| TA |
|
USArray Transportable Array (NSF EarthScope Projec | 2004 | 2008 |
| TV |
|
INGV Experiments Network | 2008 | 2599 |
| VM |
|
Marche Seismic Network | 2012 | 2599 |
| VR |
|
Virgo Interferometric Antenna for Gravitational Waves Detection | 2019 | 2599 |
| WR |
|
California Division of Water Resources | 1964 | 3000 |
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