Table 1 Nevado del Ruiz and Mount Rainier comparative factors
Comparative factors | Nevado del Ruiz | Mount Rainier |
|---|---|---|
Snow and ice area | ~ 10 km2 (Pierson et al. 1990) | 78.76 km2 (Beason 2017) |
Distance down narrow valleys to population centers | 50 km (Pierson et al. 1990) | 60 km (Scott et al. 1992) |
Most recent lahars | 1985 CE 1845 CE 1595 CE | 1500 CE 1000 years ago 2600 years ago 5600 years ago |
Current residents at risk in lahar-hazard zones | 100,000 at high risk (Thouret et al. 1990) | 91,435 (Diefenbach et al. 2015) |