THE VOLCANO ASO AND ITS LARGE CALDERA 



511 



THE MODERN CRATER 



The cone upon which the modern crater of Aso is situated has a 

 slope of about 15 degrees and is only a couple of hundred feet high. 



Fig. 7 — The modern Tuff cone on the summit of the central range, after a rain; 

 looking northeast. The vapors issue from the northern end of the new crater. Young 

 drainage lines are forming in the soft mud and cinders. In the foreground is a temple 

 to the god Aso. 



