Powerful quake inevitable in next 30 years, odds show - ContraCostaTimes.com

One of Crockett's advantages is that the Hayward-Rogers Creek fault does not bisect the town. But it runs just west of us by a couple miles. Oh well, ......................

Two faults that we are particularly concerned about with respect to high
probabilities are the southern San Andreas and the Hayward-Rogers Creek," Field said. "Both have elevated probabilities relative to their long-term
averages."