National Research Institute of Astronomy and Geophysics -- Cairo, Egypt (NRIAG)
Landsamt fur Geologie, Rohstoffe und Bergbau -- Freiburg, Germany (LED)
Geoscience Australia, Canberra, ACT, Australia -- Canberra, Australia (AUST)
Geophysical Institute of the Academy of Sciences -- Prague, Czech Republic (GFU)
Seismological Survey of Serbia -- Belgrade, Serbia (BEO)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
Geological Survey of Israel, Seismology Division -- Tel Aviv, Israel (GSI)
Instituto Portugues do Mar e da Atmosfera -- Lisbon, Portugal (IPMA)
Bundesanstalt fur Geowissenschaften und Rohstoffe, German Regional Seismograph Network -- Hannover, Germany (BGR)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
GeoSphere Austria -- Vienna, Austria (GSA)
Disaster and Emergency Management Presidency, Earthquake Department (AFAD) -- Ankara, Turkey (AFAD)
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)
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)
Instituto Nazionale di Geofisica e Vulcanologia -- Rome, Italy (INGV)
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)
National Observatory of Athens, Geodynamic Institute -- Athens, Greece (NOA)
Aristotle University of Thessaloniki, Department of Geophysics -- Thessaloniki, Greece (THE)
Kandilli Observatory and Earthquake Research Institute -- Istanbul, Turkey (KOERI)