| Code | Description |
|---|---|
| BGR | Bundesanstalt für Geowissenschaften und Rohstoffe |
| BGS | British Geological Survey |
| ETHZ | ETH Zurich Schweizerischer Erdbebendienst (SED) |
| GFZ | Helmholz-Zentrum Potsdam |
| ICGC | Institut Cartogràfic i Geològic de Catalunya |
| INGV | Istituto Nazionale di Geofisica e Vulcanologia |
| KOERI | Kandilli Observatory and Earthquake Research Institute |
| LMU | Ludwig Maximilians Universitat Munchen |
| NIEP | National Institute for Earth Physics |
| NOA | National Observatory of Athens |
| ODC | ORFEUS Data Center - Koninklijk Nederlands Meterologisch Instituut |
| RESIF | Reseau Sismologique & Geodesique Francais |
| UIB | University of Bergen |
Part of ORFEUS foundation.