The overwhelming market consensus that a magnitude 10.0 or greater earthquake will not occur before 2027 rests on well-established limits of Earth's crustal mechanics. No recorded event has exceeded 9.5 on the moment-magnitude scale, and USGS monitoring data show that tectonic plates lack the fault length and accumulated stress needed to release the energy required for a 10.0 quake. Historical catalogs and paleoseismic records confirm that subduction zones capable of the largest events have never produced magnitudes above 9.6. While theoretical models occasionally explore whether an unusually long rupture in a remote trench could approach this threshold, current seismic networks detect no precursors or strain anomalies that would support such an outcome before the 2027 cutoff.