Global seismic monitoring by the USGS shows no magnitude 6.5 or greater earthquakes during the August 3–9 window, aligning with the 89.5% market-implied probability for zero. Worldwide background rates average roughly one to two such events per week, primarily along subduction zones in the Pacific Ring of Fire, yet no mainshocks or aftershock sequences reached the threshold in this period. The prior week recorded one qualifying event, but activity remained quiet afterward with peak magnitudes limited to around 6.3 in regions such as the Philippines and New Zealand. Traders have priced in the finalized USGS catalog data, which forms the resolution source, reflecting the genuine week-to-week variability in tectonic stress release and the absence of any late catalog revisions or undetected shallow events that could alter the count.