A 3.4-magnitude earthquake shook Alameda County on Saturday, according to the U.S. Geological Survey.
The tremor, at 3:51 a.m, centered on an area described by the USGS as two miles southeast of Berkeley and three miles northeast of Emeryville, which placed it in Berkeley's Southside neighborhood, adjacent to U.C.'s Clark Kerr Campus and close to the Hayward fault, which runs through Memorial Stadium, now under construction.
The quake had a depth of 4 miles, according to the USGS.
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