A series of earthquakes hit south of Mexicali on Sunday, according to the U.S. Geological Survey.
The strongest quake had a magnitude of 4.9 and struck about 9 kilometers north-northwest of Delta, Baja California, Mexico, around 11:22 a.m., the USGS' website reports.
In San Diego County, people as far north as Rancho Santa Fe in San Diego's North County reported feeling the temblor, according to the USGS' Did You Feel It tool. It was also felt by some in Lakeside, Spring Valley, El Cajon, Chula Vista, Bonita, Imperial Beach and Campo.
A magnitude-4.6 quake rattled near Delta again at 12:04 p.m. and was felt by some residents in La Jolla, La Mesa and Potrero, the agency said.
The USGS' website shows that most of the other reported quakes in the area had magnitudes around 3.
This is a developing story. Please refresh for updates.
Get a weekly recap of the latest San Francisco Bay Area housing news. Sign up for NBC Bay Area’s Housing Deconstructed newsletter.