Useful links
ISIDe - Italian Seism. Instrum and Parametric Data-Base
K-NET, KiK-net and Hi-net Japan seismic networks
IRIS Incorporated Research Institutions for Seismology
EMSC European Mediterranean Seismological Centre
Saint Louis University
Southern California Earthquake Center
Seismic Hazard Harmonization in Europe
GEM Fundation
World Stress map
United State Geological Survey