ALUM ROCK (KRON) – Two small earthquakes rattled near Alum Rock on Monday evening, according to the U.S. Geological Survey.
A 2.8 magnitude earthquake struck at 5:16 p.m. about 4.7 miles southwest of Alum Rock.
The first quake measured at 2.2 miles in depth.
Just five minutes later, a 2.5 magnitude earthquake hit in the same location.
The second quake was also measured at 2.2 miles in depth.
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