October 3 Biggest Quake Will Stay Under 5.3

The biggest earthquake on October 3, 2026 will be under magnitude 5.3, according to the USGS catalog rules for the UTC day. That outcome would leave global seismic lists with a modest peak after October 2's magnitude 5.0 shock 179 km SSE of Vilyuchinsk, Russia. USGS earthquake parameters typically…