Brandon's Tremors Site: Fan site with pictures.
Fan site: Tremors Russian: Russia-based site includes extensive information on the weapons seen in the movies.
Official site: Tremors: Detailed information on all three movies, including trailers and downloads.
Tremors Fan Site: Plot descriptions, cast biographies, multimedia, collectables, and forum.
UK Tremors: A fan site with introduction, news, bloopers, a quiz, and quotes from the first two movies.
Unofficial But First Tremors Web Site: Fan site with images, quotes, mistakes, theories, and cast information.