While "earthquake capital" can be defined in different ways, Parkfield, California, is famously known by this title because it sits directly on the San Andreas Fault and historically experienced a magnitude 6.0 earthquake roughly every 22 years with remarkable regularity. In terms of total seismic activity in 2026, the Pacific "Ring of Fire" remains the most active region globally, with countries like Japan, Indonesia, and Chile experiencing the highest frequency of large quakes. Specifically, the Kuril-Kamchatka subduction zone near Russia has seen intense unrest following a massive 8.8 event in 2025. For travelers, Tokyo is often cited as the "safest" earthquake capital due to its world-leading building codes and early warning systems that allow the city to withstand frequent tremors that would be devastating elsewhere.