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California officials level ‘holy grail’ of earthquake research

City officials in Hayward, California, were just doing their job when they fixed a faulty, unaligned curb at the corner of Rose and Prospect streets. But what was good news for most was a disaster for scientists, who considered the San Francisco Bay area curb a “holy grail” for earthquake research, the Los Angeles Times reports. Researchers have been photographing the wildly misaligned curb since the 1970s as the fault underneath pulled one section south and another section north. The curb was a perfect illustration of the seismic forces of the Hayward fault, scientists say, and also a good reminder that the area is long overdue for a magnitude-7 earthquake. Despite the city’s best efforts, the curb should unfix itself again over time.

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