Global seismic monitoring by the U.S. Geological Survey shows a consistent baseline of roughly 10–15 magnitude 5.5 and greater earthquakes worldwide each week, driven by routine tectonic plate motion along subduction zones and major fault systems. This rate underpins the market’s overwhelming 94.5% implied probability on more than nine events during June 8–14, reinforced by the confirmed 7.8 quake off the Philippines on June 8 and additional M6+ activity in the region. Historical USGS catalogs confirm this weekly average holds across years with only modest fluctuations, though aftershock sequences or rare quiet periods can alter short-term counts. New catalog updates and magnitude revisions from the agency over the coming days remain the key variables that could shift final tallies, while sustained low activity across all major seismic belts would be required to challenge the current trader consensus.