It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
The new faults range from small ones that don't pose much threat for major temblors to very large ones, like the one responsible for the 7.1 Hector Mine earthquake that shook Southern California in 1999. Most of the faults have been known to researchers and contained in scientific files.