National Research Institute of Astronomy and Geophysics -- Cairo, Egypt (NRIAG)
Geophysical Institute of the Academy of Sciences -- Prague, Czech Republic (GFU)
Seismological Survey of Serbia -- Belgrade, Serbia (BEO)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
National Institute in Geophysics, Geodesy and Geography - BAS -- Sofia, Bulgaria (SOF)
Instituto Portugues do Mar e da Atmosfera -- Lisbon, Portugal (IPMA)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Disaster and Emergency Management Presidency, Earthquake Department (AFAD) -- Ankara, Turkey (AFAD)
Geoazur (Universite Cote d'Azur, IRD, CNRS, Observatoire de la Cote d'Azur) -- Nice, France (OCA)
Instituto Geografico Nacional -- Madrid, Spain (IGN)
National Institute for Earth Physics -- Bucharest, Romania (NIEP)
National Observatory of Athens, Geodynamic Institute -- Athens, Greece (NOA)
HUN-REN EPSS Kövesligethy Radó Seismological Observato -- Budapest, Hungary (BUD)
Malta Seismic Network, Seismic Monitoring and Research Unit (SMRU), University of Malta -- Imsida, Malta (MLT)
Aristotle University of Thessaloniki, Department of Geophysics -- Thessaloniki, Greece (THE)
Kandilli Observatory and Earthquake Research Institute -- Istanbul, Turkey (KOERI)

National Observatory of Athens, Geodynamic Institute -- Athens, Greece (NOA)
Disaster and Emergency Management Presidency, Earthquake Department (AFAD) -- Ankara, Turkey (AFAD)
Aristotle University of Thessaloniki, Department of Geophysics -- Thessaloniki, Greece (THE)
Kandilli Observatory and Earthquake Research Institute -- Istanbul, Turkey (KOERI)
Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)