CALIFORNIA — Dozens of earthquakes rattled parts of California on Saturday and into Sunday in what experts call an earthquake swarm, with many centered near Brawley in Imperial County, according to the U.S. Geological Survey (USGS).
A swarm sequence has been confirmed near #Brawley, CA, #SouthernCalifornia#Earthquake. This is a typical sequence for the area, with 81 events catalogued so far, including a M4.4 at 7:22 PDT. You can read more about it here: https://t.co/lODWqBgF3L
— Caltech Seismo Lab (@CaltechSeismo) May 10, 2026
While many of the earthquakes remained below magnitude 4.0, the swarm peaked with a magnitude 4.7 tremor just after midnight on Sunday. Reports of light shaking were felt from north of the city in the Coachella Valley, south to Calexico, and reaching into San Diego and Mexicali…