An earthquake measuring a preliminary 4.2 magnitude was reported near Campo Wednesday according to the U.S. Geological Survey.
Some residents in Potrero called NBC 7 to say they felt the quake when it struck at 4:18 p.m. There was a report from Alpine on the USGS website.
The epicenter was located approximately 40 miles southeast of Alpine and 24 miles southeast of Tecate, Mexico.
Did you feel it? Let us know in the comments below or on the NBC 7 San Diego Facebook page.
NBC 7 Facebook follower Pamela Embree-Kyle posted, "Yes...it rattled the pictures on our wall in Lemon Grove."
In Imperial Beach, Cal Calderon said, "My wife felt it, I didn't and I was right next to her."
Allyson Forman said she didn't feel a thing. "Taking our after Christmas dinner walk in North Park and felt nothing!"
While Shannon Cervantes wrote, "Felt it in Lakeside. It was a quick shake."