The Hellenic Unified Seismic Network consists of stations from the following Seismic Networks:
- Institute of Geodynamics, National Observatory of Athens, NOA HL
- Geophysics Department of the Aristotle University of Thessaloniki, AUTH HT
- Geophysics-Geothermics Department of the National and Kapodistrian University of Athens, NKUA HA
- Geological Department of the University of Patras, UPAT HP
- Laboratory of Geophysics & Seismology of the Technological Educational Institute of Crete, HMU HC
