or 





.'/•" 



58' 



57' 



56' 



55' 



45 c 

 54' 



EAST 



) ik WALL 



k%\trAmcDA\ .a ^ 



CALDERA^ 







2k 



m 







\ 



1 1 1 1 1 1 1 1 



downthrown side 



(I l ^ M 



Lineament M\ 

 Fault 



Fissure 



SOUTH 

 RIFT 



04' 



03 



02' 



01' 130°00' 59' 



58' 



Figure 3. Structure of Axial Volcano based on SeaMarc I imagery, 



239 



