Geohazards  
     
     
 
 
 



Figure 16. Hazard zones for pyroclastic flows and lahars at Mt. Shasta (California), based on height to length ratios of pyroclastic flows and lahars from this and other volcanoes and the recurrence intervals of lahars and pyroclastic flows from the geologic of this volcano. Adapted from Miller (1980) and Crandell et al. (1984).

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