
KEY POINTS
- The Pacific Ring of Fire generates most of the world's quakes and eruptions.
- Nations along the rim face the highest seismic and volcanic risk.
- Scientists say recent activity is normal, not a sign of a looming disaster.
The Pacific 'Ring of Fire' is surging into public consciousness once again, following recent volcanic headlines from the Hayli Gubbi eruption in Ethiopia — a dramatic event involving thick ash plumes rising up to 45,000 feet (13.7 km), despite the volcano having no known activity in thousands of years. The intrigue has pushed global audiences to search the map of the world's most notorious seismic zone: an arc of volcanoes and earthquake hotspots known to shape some of humanity's most catastrophic natural events.