Recent seismic activity along major subduction zones in the Pacific Ring of Fire has produced several magnitude 5.5+ events early in the September period, keeping the market tightly clustered around 12 or 13 worldwide quakes for the August 31–September 6 window. USGS and EMSC data show confirmed events including a 6.3 off Alaska’s Fox Islands on September 3, a 6.2 in the South Sandwich Islands region on September 2, a 5.9 on the East Pacific Rise, and additional 5.5–5.6 shocks near Vanuatu and Papua New Guinea on September 5–6, plus an August 31 event in Indonesia’s Flores Sea. These align with typical weekly baselines near active plate boundaries, where model consensus on aftershock sequences and regional clustering supports the current 37.5% and 32.5% implied probabilities for 12 and 13 respectively; any late-week uptick in smaller events reaching the 5.5 threshold could shift the count toward the 29.5% “more than 13” outcome before resolution.