http://pasadena.wr.usgs.gov/
US Geological Survey Southern California home page — lots of information, maps, links.

http://pasadena.wr.usgs.gov/eqhaz/faq/plates.html
Facts about earthquakes: what they are, how they happen. All you need to know about the physics and geology from the US Geological Survey.

http://pasadena.wr.usgs.gov/eqhaz/faq/myths.html
‘Common myths about earthquakes and earthquake prediction’ — US Geological Survey page of common questions and answers.

http://helix.nature.com/debates/earthquake/equake_1.html
In this page from the magazine ‘Nature’, Robert Geller provides his perspective on earthquake prediction.

http://www.earthsensitives.org/
The Earth Sensitives home page. Under ongoing construction, but with useful links to other sites and discussion forums.

http://www.discovery.com/exp/earthquakes/archive/quake19.html
Article broadly linked to the TV programme, about ‘Seismic Sentries’ — the predictive potential of lost whales, disoriented pigeons, psychics, stray cats, over-friendly deer, eclipses, seagulls, headache-plagued ‘earthquake sensitives’, El Niño, a temperamental geyser, a whimsical waterfall and the myths of ‘native peoples’.

http://www.newscientist.com/nsplus/insight/quakes/quakes.html
The ‘New Scientist’ website’s special earthquake report — an in-depth look at the science of earthquakes and earthquake prediction, major quake regions, and much more, including the best links from the thousands of earthquake sites across the web.