"Rapid-Fire Quake Swarm Rattles Southern California"
Southern California experienced a series of 13 earthquakes within 25 minutes, with the largest registering a magnitude of 4.8 near El Centro. The USGS Shake Alert system was activated, and officials reported that at least one of the earthquakes may have exceeded a magnitude of 5.0. This seismic activity followed a 4.6 magnitude earthquake near Malibu two days prior, and experts warned of a 5% chance of a larger earthquake in the region.