The 89-second quake was widely felt throughout northwest Mexico and southern California . It was also the strongest to rock southern California in at least 18 years ( since the 1992 Landers earthquake ( M 7.3 ) ) , if not longer : the next most recent comparable earthquake — the 1952 Kern County earthquake ( M 7.3 ) — was 58 years earlier . Each of these earthquakes had a similar magnitude , and was also felt across a large swath of North America . Most of the damage occurred in the twin cities of Mexicali and Calexico on the Mexico – United States border
1952 Kern County earthquake
1952 Kern County earthquake
2010 Baja California earthquake