Imagine a geological event so unimaginably powerful that it releases almost a quarter of all global seismic energy for an entire century—and does it in just 10 minutes. On May 22, 1960, the Valdivia earthquake, famously known as the Great Chilean earthquake, permanently restructured the planet's crust. Registering at a staggering magnitude of $9.4 \text{ to } 9.6$, it stands as the largest earthquake ever recorded by modern instruments. This deep dive maps out a multi-front apocalyptic scenario where a traumatized population had to fight a compounding barrage of secondary cataclysms, permanently altering the physical geography and social infrastructure of an entire continent.

The underlying trap had been set deep within the Peru-Chile Trench, a subduction zone where the Nazca Plate is constantly trying to shove itself underneath the South A ...