Guide Β· Puyallup Β· 5 min
Mount Rainier Lahar Risk in Puyallup, WA: Emergency Preparedness Every Homeowner Should Understand
The Puyallup Valley is the area most at risk from a Mount Rainier lahar β a volcanic mudflow that can move 45-50 mph and reach 100 feet tall. Here's the real USGS science and what home emergency preparedness looks like.