4.0 and 3.8 - 2.8 - 2.7 - 2.5 earthquakes (likely foreshocks) hit warning area - WARNING: 5.3 to 5.6 earthquake is likely in Southern California today - most likely at 4 pm 08/18/2021 - 5.7 quake is likely in the San Francisco Bay on 08/20 to 08/21 -