| Albania | Tirana | Institute of Geosciences |
| Algeria | Alger | Centre de Recherche en Astronomie, Astrophysique et Géophysique (CRAAG) |
| Belgium | Brussels | Royal Observatory of Belgium (ROB) |
| Bulgaria | Sofia | Seismological Department, Bulgarian Acadmy of Sciences (GI-BAS) |
| Bulgaria | Plovdiv | Geophysical Observatory Plovdiv (PLD) |
| Cape Verde | Praia | Laboratory of Engineering ofCape Verde |
| Croatia | Zagreb | Department of Geophysics, University of Zagreb |
| Croatia | Zagreb | Croatian Seismological Survey |
| Cyprus | Nicosia | Geological Survey of Cyprus |
| Denmark | Copenhagen | Geological Survey of Denmark and Greenland (GEUS) |
| Egypt | Cairo | National Research Institute of Astronomy and Geophysics (NRIAG) |
| Estonia | Tallinn | Geological Survey of Estonia (GSE) |
| Finland | Helsinki | Seismological Institute, University of Helsinki |
| France | Paris | GEOSCOPE Program (GEOSCOPE) |
| France | Strasbourg | Reseau National de Surveillance Sismique (ReNaSS) |
| France | Bruyeres-le-Chatel | Laboratoire de Detection et de Geophysique (LDG) |
| France | Bruyeres-le-Chatel | European-Mediterranean Seismological Centre (EMSC-CSEM) |
| France | Grenoble | Observatoire de Grenoble (SISMALP/ReNaSS) |
| France | Grenoble | Observatoire de Grenoble (ROSALP/ReNaSS) |
| France | Grenoble | French Accelerometric Network (RAP) |
| France | Toulouse | Observatoire Midi-Pyrenees Serveur de Données Sismiques (OMP) |
| France | Nice | Geosciences-Azur (RLBP, RAP, ReNaSS) |
| Georgia | Tblisi | Georgian Geophysical Society (GGS) |
| Germany | Hannover | Seismological Central Observatory (SZGRF) |
| Germany | Potsdam | Seismological Data Center (GFZ) |
| Germany | Bensberg / Cologne | Erdbebenstation Bensberg, Geological Institute, University of Cologne |
| Germany | Black Forest | Black Forest Observatory (BFO) |
| Germany | Bochum | Seismological Observatory, Ruhr University (BUG) |
| Germany | Freiburg | LandesErdbebenDienst Baden Württemberg (LED) |
| Germany | Hannover | Bundesanstalt für Geowissenschaften und Rohstoffe (BGR) |
| Germany | Hannover | German regional Seismic Network (GRSN) |
| Germany | Jena | Applied Geophysics, University of Jena |
| Germany | Krefeld | Geologisches Landesambt NordRhein-Westphalen |
| Germany | Muenchen | Seismological Observatory Fürstenfeldbruck |
| Germany | Muenchen | Erdbebendienst Bayern |
| Germany | Stuttgart | Institute of Geophysics, University of Stuttgart |
| Greece | Athens | National Observatory of Athens, Geodynamic Institute (NOA-GI) |
| Greece | Athens | Hellenic Seismological Broadband Network (HL) |
| Greece | Athens | Geophysical Institute, Athens University |
| Greece | Chania, Crete | Technological Educational Institute of Crete, Seismological Network of Crete (HSNC) |
| Greece | Patras | Laboratory of Seismology, University of Patras |
| Greece | Thessaloniki | Department of Geophysics, University of Thessaloniki |
| Iceland | Reykjavik | Department of Geophysics, Icelandic Meteorological Office |
| Ireland | Dublin | Dublin Institute for Advanced Studies (DIAS) |
| Israel | Lod | Seismology Division, Geophysical Institute of Israel (GII) |
| Italy | Trieste | Istituto Nazionale di Oceanografia e di Geofisica Sperimentale (OGS) |
| Italy | Bari | Observatory of Geophysics and Cosmic Physics, University of Bari |
| Italy | Genoa | Genoa University Seismic Network (DipTeRis) |
| Italy | Macerata | Osservatorio Geofisico Sperimentale di Macerata |
| Italy | Naples | Osservatorio Vesuviano (OV) |
| Italy | Rome | Mediterranean Very Broadband Seismographic Network (MedNet) |
| Italy | Rome | Italian National Seismic Network (INGV) |
| Italy | Sicily | Sistema POSEIDON |
| Italy | Trieste | Dipartimento di Scienza della Terra, Universita di Trieste (DST) |
| Italy | Udine | OGS: Dipartimento Centro di Ricerche Sismologiche (CRS) |
| Lebanon | Beyrouth | Centre National de Recherches de Géophysiques |
| Lithuania | Vilnius | Geological Survey of Lithuania (LGT) |
| Malta | Msida | Seismic Monitoring and Research Unit, University of Malta |
| Montenegro | Podgorica | Montenegro Seismological Observatory (MSO) |
| Morocco | Rabat | Departement de Physique du Globe (SGPM) |
| Morocco | Rabat | Centre National de Coordination et de Planification de la Recherche Scientifique et Technique, Geophysics Laboratory (CNR) |
| Netherlands | De Bilt | Observatories and Research Facilities for EUropean Seismology (ORFEUS) |
| Netherlands | De Bilt | Royal Netherlands Meteorological Institute (KNMI) |
| Netherlands | Utrecht | Network of Autonomously Registrating Stations (NARS) |
| Norway | Kjeller | Norwegian Seismic Array (NORSAR) |
| Norway | Bergen | Institute of Solid Earth Physics |
| Poland | Warsaw | Institute of Geophysics, Polish Academy of Sciences (PAS) |
| Portugal | Lisbon | Instituto de Meteorologia, Seismologia |
| Portugal | Lisbon | Instituto Superior Tecnico (IST) |
| Portugal | Lisbon | Geophysical Centre of the University of Lisbon (CGUL) |
| Portugal, Azores | Ponta Delgada | Instituto de Meteorologia, Azores University (SIVISA) |
| Romania | Bucharest | National Institute for Earth Physics (INFP/NIEP) |
| Russia | Apatity | Kola Regional Seismological Center, Russian Academy of Sciences (KRSC) |
| Russia | Obninsk | Seismic Network of the Russian Academy of Sciences (GSRAS) |
| Russia | Obninsk | Teleseismic network of Russia (RTSN) |
| Russia | Obninsk | Northern Caucasus Regional Seismic Network (NCRSN) |
| Russia | Obninsk | Dagestan Local Seismic Network (DLSN) |
| Russia | Obninsk | Caucasus Mineral Waters Local Seismic Network (CMWLSN) |
| Serbia | Beograd | Seismological Survey of Serbia (SRB) |
| Slovenia | Ljubljana | Environmental Agency of the Republic of Slovenia, Seismological Office (EARS) |
| Spain | Barcelona | Insitute d'Estudis Catalans, Lab. d'Estudis Geofisics "Eduard Fontsere" (IEC) |
| Spain | Barcelona | Geological Survey of Catalonia, Geological Institute of Catalonia (IGC) |
| Spain | Ebre | Observatori de l'Ebre |
| Spain | Granada | Instituto Andaluz de Geofisica (IAG) |
| Spain | Madrid | Instituto Geografico Nacional (IGN) |
| Spain | Madrid | Universisdad Complutense, Department of Geophysics and Meteorology (UCM) |
| Spain | San Fernando | Royal Naval Institute and Observatory (ROA) |
| Sweden | Uppsala | Geophysics Department, Uppsala University |
| Syria | Damascus | Syrian National Seismic Network (SNSN) |
| Tunisia | Tunis | Seismological Service, Institut National de la Meteorologie |
| Turkey | Ankara | Earthquake Research Department, Ministry of Public Works and Settlement |
| Turkey | Ankara | National Earthquake Observation Network (TURKNET) |
| Turkey | Istanbul | Kandilli Observatory and Earthquake Research Institute (KOERI) |
| Turkey | Istanbul | National Broadband Seismic Network (KOERI) |
| Turkey | Gebze-Kocaeli | Tubitak Marmara Research Center |
| Turkey | Erzurum | Earthquake Research Centre, Ataturk University (ERC) |
| UK | Edinburgh | British Geological survey (BGS) |
| Ukraine | Lviv | Carpathian seismoactive region |
| Ukraine | Kiev | National Academy of Sciences, National Center for Seismological Data |
| Ukraine | Kiev | Crimean seismoactive region (Simferopol) |