Ring of Fire
subduction — 40,000 km
The Ring of Fire is a 40,000 km horseshoe-shaped belt of subduction zones, volcanic arcs, and transform faults encircling the Pacific Ocean. It accounts for approximately 90% of the world's earthquakes and 81% of the world's largest earthquakes, as well as 75% of the world's active volcanoes.
Type
subduction
Length
40,000 km
Countries
9
Cities at Risk
7
Risk Assessment
Multiple M8+ events expected per decade globally
Last Major Earthquake
M9.1 — Tohoku, Japan (2011-03-11)
Affected Countries
Cities Near This Fault
Data: USGS Earthquake Hazards Program