when was the last time mount st helens erupted
January 16 , 2008
-1
Section::::Geologic history.:Modern eruptive period.:2004 to 2008 activity.

Mount St. Helens
36649
6435391720864780804
NONE
Section::::Geologic history.:Modern eruptive period.:2004 to 2008 activity.

Mount St. Helens
36649