The ~12,900-year ECDO event unleashed global oceanic surges and electrical discharges, leaving marine fossils at the Grand Canyon’s 7,000-foot elevation, vitrified sands at Giza, and rapid megafauna burials in Siberia. As Earth’s magnetic field weakens in June 2025, this cataclysmic history warns of potential recurrence, urging a shift from uniformitarian models to catastrophic frameworks.