Seismological Survey of Serbia -- Belgrade, Serbia (BEO)
National Institute for Earth Physics -- Bucharest, Romania (NIEP)
Disaster and Emergency Management Presidency, Earthquake Department (AFAD) -- Ankara, Turkey (AFAD)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
Instituto Nazionale di Geofisica e Vulcanologia -- Rome, Italy (INGV)
Kandilli Observatory and Earthquake Research Institute -- Istanbul, Turkey (KOERI)
Ukrainian NDC, Main Center of Special Monitoring -- Kyiv, Ukraine (MCSM)
Malta Seismic Network, Seismic Monitoring and Research Unit (SMRU), University of Malta -- Imsida, Malta (MLT)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Norwegian Seismic Array -- Lillestrom, Norway (NORSAR)
National Observatory of Athens, Geodynamic Institute -- Athens, Greece (NOA)
National Research Institute of Astronomy and Geophysics -- Cairo, Egypt (NRIAG)
Geoazur (Universite Cote d'Azur, IRD, CNRS, Observatoire de la Cote d'Azur) -- Nice, France (OCA)
Republican Seismic Survey Center or Azerbaijan National Academy of Sciences -- Baku, Azerbaijan (RSSC)
EMSC -- Arpajon, France (SC4)
Aristotle University of Thessaloniki, Department of Geophysics -- Thessaloniki, Greece (THE)

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