I felt a quick wobble under my desk around lunchtime and watched a hanging plant sway for maybe 10 seconds. Later on InTown I saw Southern California got a magnitude 4.1 earthquake with shallow shaking and some aftershocks.
USGS noted a 4.1 can jolt homes without widespread damage, but shallow depth helps amplify felt intensity close to the epicenter. Aftershocks are common as the fault readjusts—smaller quakes trailing the main shock. Airlines sometimes waive change fees when airport operations slow from long security lines, but here the bigger daily-life hit is loose items at home and older buildings with unsecured shelves…