More than 70 earthquakes hit Imperial County on Sunday -- including several that registered stronger than magnitude 4.0. The strongest measured 5.4.
The USGS's "Do You Feel It" system shows the quakes were felt as far away as San Diego, Temecula and San Clemente. The 5.3 quake was felt in Moreno Valley, Indio, National City and Palm Desert, and in Yuma, Ariz., and Mexico.
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