What's the risk that the Berkeley earthquake was a foreshock for a bigger quake?

There is a small chance today's earthquake could be a precursor to a larger one. It already had one small aftershock, and ...
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Does Monday’s Bay Area earthquake increase the chances of a bigger one?

Monday’s quake, the largest in the Bay Area in nearly three years, caused no serious damage or injuries. It occurred along the Hayward-Rodgers Creek Fault. The last major quake there was in 1868.

East Bay shaken awake by 4.3 earthquake centered near UC Berkeley

BERKELEY — A magnitude 4.6 earthquake shook the East Bay out of slumber early Monday, according to the U.S. Geological Survey ...

Sizable earthquake jolts San Francisco Bay Area

A sizable earthquake jolted the San Francisco Bay Area shortly before 3 a.m. Monday. The quake, a magnitude 4.3, had its ...