Seismological Survey of Serbia -- Belgrade, Serbia (BEO)
National Institute for Earth Physics -- Bucharest, Romania (NIEP)
HUN-REN EPSS Kövesligethy Radó Seismological Observato -- Budapest, Hungary (BUD)
EMSC - CSLOC -- Arpajon, France (CSLC)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)
Instituto Portugues do Mar e da Atmosfera -- Lisbon, Portugal (IPMA)
Instituto Nazionale di Geofisica e Vulcanologia -- Rome, Italy (INGV) -- DOI: https://terremoti.ingv.it/en/iside
Slovenian Environment Agency, Seismology Office -- Ljubljana, Slovenia (ARSO)
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)
The research institute NORSAR -- Kjeller, Norway (NORSAR)
National Observatory of Athens, Geodynamic Institute -- Athens, Greece (NOA)
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)
National Institute in Geophysics, Geodesy and Geography - BAS -- Sofia, Bulgaria (SOF)
Republic Hydrometeorological Institute -- Banja Luka, Bosnia-Herzogovina (SORS)
Aristotle University of Thessaloniki, Department of Geophysics -- Thessaloniki, Greece (THE)
Institute of Geosciences, Polytechnic University of Tirana -- Tirana, Albania (IGEO)
GeoSphere Austria -- Vienna, Austria (GSA)

Aristotle University of Thessaloniki, Department of Geophysics -- Thessaloniki, Greece (THE)
National Observatory of Athens, Geodynamic Institute -- Athens, Greece (NOA)