ALUM ROCK (CBS SF) — The U.S. Geological Survey is reporting an earthquake with a preliminary magnitude of 2.1 struck Monday evening in Santa Clara County.
The quake shook an area near Alum Rock at 7:19 p.m. and had a depth of 4.2 miles, according to the USGS. Its epicenter was roughly five miles northeast of Alum Rock.
On Saturday, a 3.3-magnitude earthquake struck near Morgan Hill at 3:39 a.m. and was centered 13 miles southeast of Alum Rock, according to the USGS.
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