An earthquake of similar power to the one that devastated Pakistan is very likely along the section of the San Andreas Fault that runs from just north of San Bernardino down to the Salton Sea., That section of the 800-mile fault system is the one that is most locked, not having erupted since 1690. One scientist refers to it as the section that's "10 months pregnant." In contrast, it's only been 99 years since the northern section of the San Andreas caused the cataclysmic 1906 earthquake in San Francisco, the last "great" earthquake in California. The magnitude 7.6 earthquake that...