Seismological Survey of Serbia -- Belgrade, Serbia (BEO)
Technological Educational Institute of Crete, Seismological Network of Crete -- Chania, Greece (HSNC)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
Montenegro Seismological Observatory -- Podgorica, Montenegro (MSO)
Geological Survey of Israel, Seismology Division -- Tel Aviv, Israel (GSI)
British Geological Survey (Global Network) -- Edinburgh, United Kingdom (BGSG)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Disaster and Emergency Management Presidency, Earthquake Department (AFAD) -- Ankara, Turkey (AFAD)
National Institute for Earth Physics -- Bucharest, Romania (NIEP)
National Observatory of Athens, Geodynamic Institute -- Athens, Greece (NOA)
Laboratoire de Detection et de Geophysique -- Bruyeres-le-Chatel, France (LDG)
HUN-REN EPSS Kövesligethy Radó Seismological Observato -- Budapest, Hungary (BUD)
Aristotle University of Thessaloniki, Department of Geophysics -- Thessaloniki, Greece (THE)
Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)
Kandilli Observatory and Earthquake Research Institute -- Istanbul, Turkey (KOERI)
Cyprus Geological Survey Department -- Nicosia, Cyprus (GSD)

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