Inside the area that a large Mount Rainier mudflow would inundate, 78,049 people live, according to a federal tally of the ...
In the shadow of Washington State's Mount Rainier, about 90,000 people live in the path of a potential large lahar—a destructive, fluid and fast-moving debris flow associated with volcanic slopes. At ...
Pierce County conducts world's largest lahar drill Students across Pierce County took part in the world's largest lahar drill, preparing for a worst-case scenario triggered by a Mount Rainier eruption ...