Links on Earthquake Information and Earthquake Hazards:

SCEC: Southern California Earthquake Center
Crustal deformation: Investigating crustal deformation with space technology, NASA
USGS Earthquake Information: Reducing Hazards
Incorporated Research Institutions for Seismology (IRIS)
National Earthquake Information Center: World Data Center for Seismology, Denver
Seismology Division of the Geophysical Institute of Israel (GII)
European Seismological Center
Center for Monitoring Research (nuclear testing)
Rapid earthquake data- Swiss Seismological Service
ORFEUS - Observatories and Research Facilities for EUropean Seismology
International Seismological Centre
Other sources (USGS)

General Hazards: 
Natural Hazards Center at the University of Colorado, Boulder
Federal Emergency Management Agency -- FEMA
Make Online Hazard Map
Applied Technology Council