3 articles · Updated · The Berkeley Scanner · Aug 13
Summary
A magnitude 3.8 earthquake struck Oakland at 8:30 a.m., with shaking reported in Berkeley after the USGS revised the initial 4.1 estimate down twice.
The epicenter was on Calandria Avenue near Interstate 580 at a depth of 3.2 miles, and residents described the motion as strong side-to-side rocking but generally mild.
Two aftershocks followed at 9:07 a.m., with preliminary magnitudes of 3.0 and 2.8, extending the morning tremor sequence.
USGS data show 12 earthquakes of magnitude 2.5 or greater in or near Berkeley since Jan. 1, 2023, including a 4.3 event near UC Berkeley in September 2025.