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Magnitude 4.3 Quake Near UC Berkeley Jolts Bay Area Before Dawn

Early warnings reached phones before the jolt, underscoring ongoing preparedness across the Bay Area.

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.