Osceola Mudflow, 50 km (31 mi) downstream, 8 m (26 ft) thick outcro...
By Volcano Hazards Program
1905 (approx.)
Detailed Description
Osceola Mudflow, 50 km (31 mi) downstream, 8 m (26 ft) thick outcrop, base exposed near river level. Note coarse tail normal grading toward base.
Related
Significant Lahars at Mount Rainier
Lahars are common at Mount Rainier, because its mantle of snow and ice provides water when melted, and parts of the upper flanks of the volcano contain abundant loose, weak, hydrothermally altered rock.
Related
Significant Lahars at Mount Rainier
Lahars are common at Mount Rainier, because its mantle of snow and ice provides water when melted, and parts of the upper flanks of the volcano contain abundant loose, weak, hydrothermally altered rock.