- National Observatory of Athens (NOA): http://www.noa.gr
- Seismological Network of the Institute of Geodynamics (BBNET): https://bbnet.gein.noa.gr
- Strong Motion Network of the Institute of Geodynamics (ΑCCELNET): https://accelnet.gein.noa.gr
- GPS Network of the Institute of Geodynamics: http://geodesy.gein.noa.gr:8000/nginfo/
- Tide-Gauge Network and Tsunami Warning Centre of the Institute of Geodynamics: http://hl-ntwc.gein.noa.gr/en/
- EIDA Node of the Institute of Geodynamics: http://eida.gein.noa.gr
- Network of the Geophysics Department of the Aristotle University of Thessaloniki: http://geophysics.geo.auth.gr/ss/
- Network of the Geophysics-Geothermics Department of the National and Kapodistrian University of Athens: http://www.geophysics.geol.uoa.gr/main_greek.html
- Network of the Institute of Physics of the Earth’s Interior & Geohazards: https://earth-phys.hmu.gr/en/home/
- Network of the Geological Department of the University of Patras: http://seismo.geology.upatras.gr/homegreek.html
- General Secretariat for Research and Innovation: http://www.gsrt.gr
- Earthquake Planning and Protection Organization (OASP): http://www.oasp.gr
- Institute of Engineering Seismology and Earthquake Engineering: http://www.itsak.gr
- Geological Survey Department of Cyprus: http://www.moa.gov.cy/moa/gsd/gsd.nsf/dmlIndex_gr/dmlIndex_gr?opendocument
- Observatories & Research Facilities for European Seismology (ORFEUS): https://www.orfeus-eu.org/
- European Facilities for Earthquake Hazard and Risk: http://www.efehr.org/en/home/
- Comprehensive Nuclear-Test-Ban Treaty Organization: https://www.ctbto.org/
- International Seismological Centre (ISC): http://isc.ac.uk/
- Incorporated Research Institutions for Seismology (IRIS): https://www.iris.edu/hq/
- International Federation of Digital Seismic Network (FDSN): https://www.fdsn.org/
- European-Mediterranean Seismological Center (EMSC/CSEM): https://www.emsc-csem.org/
- United States Geological Survey (USGS): https://www.usgs.gov/
- German Research Center for Geosciences (GFZ): https://www.gfz-potsdam.de/en/home/
- Istituto Nazionale di Geofisica e Vulcanologia (INGV): https://www.ingv.it/
- Mediterranean Very Broadband Seismographic Network (MEDNET): https://www.fdsn.org/networks/detail/MN/
- GNS Science (GNS): https://www.gns.cri.nz/