An area southwest of downtown Reno has been shaking with earthquakes.

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According to the U.S. Geological Survey, 21 temblors were reported in the area since midday Friday.

The latest measured 2.1 in magnitude and was reported at 10:22 a.m. Monday.

The largest measuring 3.0 came at 1:47 a.m. Sunday and was felt throughout the Reno area.

Ken Smith is a seismologist with the University of Nevada, Reno.

He tells the Reno Gazette-Journal that the area of quake activity is about 5 miles west of the intersection of U.S. 395 and the Mount Rose Highway.

In 2008, a cluster of more than 1,000 small earthquakes shook the region for three months before subsiding.

Those quakes were centered in the Mogul area west of the city.