Pre-Dawn 4.0 Quake SHAKES San Jose & Gilroy: USGS Revises Magnitude as Seismic Activity Rises

A magnitude 4.0 earthquake rattled the San Jose, Gilroy area before dawn, sending vibrations across the corridor stretching from San Jose to Salinas. The USGS initially reported a higher magnitude, but early readings were revised downward as more precise data became available, giving residents and analysts a clearer picture of the quake’s impact. WATCH