http://www.earthquake.com
2. USGS Earthquake Information
http://www.usgs.gov
3. EERI
http://www.eeri.org
4. New Scientist Earthquake Report
http://www.newscientist.com
5. National Earthquake Information Center
http://www.usgs.gov
6. Seismological Society of America
http://www.seismosoc.org
7. Discovery Online - Earthquakes
http://www.discovery.com
8. Southern California Earthquake Center
http://www.scec.org
9. California Seismic Safety Commission
http://www.ca.gov
10. NCEDC
http://www.berkeley.edu