Overview
- USGS recorded the quake at 2:56 a.m. PDT and revised the magnitude from an initial 4.6 to 4.3 after further analysis.
- The epicenter was just east-southeast of UC Berkeley at a shallow depth of about 4.8 miles, contributing to widespread shaking reports.
- ShakeAlert/MyShake notifications were triggered, delivering alerts to residents before or as the shaking began.
- The San Francisco Fire Department reported no injuries or significant damage and urged routine checks for hazards and potential aftershocks.
- The National Tsunami Warning Center said no tsunami was expected, and meteorologists indicated the tremor likely occurred along the Hayward Fault.