Geophysical constraints on Earth's tectonic systems drive the overwhelming trader consensus against a magnitude 10.0 or greater earthquake before 2027. No fault long enough to produce the required rupture length and slip exists, as confirmed by USGS records showing the historical maximum at 9.5 during the 1960 Valdivia event in Chile; each full magnitude increment demands roughly 32 times more energy release. Ongoing global seismic monitoring reveals no accelerating strain accumulation, foreshock patterns, or model outputs capable of supporting such an extreme event in the remaining timeframe. While continuous USGS data releases could theoretically prompt a magnitude recalibration, only an unprecedented multi-segment rupture exceeding all known subduction zone analogs would alter the outcome.