By Miriam Raftery
January 30, 2022 (Palomar) -- A 4.0 earthquake at 9:46 this morning struck approximately 5 kilometers west-southwest of Palomar Observatory in north San Diego County, the U.S. Geological Service reports. That's about 18 miles northeast of Escondido.
The shaking was felt as far away as Mexico to the south, Santa Maria to the north, and Yuma, Arizona to the east.
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