ISO Jaggar — Yolcanologic Investigations at Kilauea. 



Fig. 8. 



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Fig. 8. Jan.-Feb., 1917. ShowiDg conditions before and after sudden 

 uplift of E. island. Photos Jaggar, 



(a) Jan. 27, 1917. Upraised E. crag from rim Hale man in [in looking X.N. W., 

 summit 1 ft. higher than rim of pit. Lake depression 50 ft. (15 m.). 



(6) Feb. 22, 1917. On right subsided E. crag 30 ft. (9 m.) below rim of 

 pit and on left upraised islaud of bench magma 40 ft. (12 m.) high which 

 rose 40 ft. from a shoal in the lake in a single night, Feb. 17-18. 1917. Lake 

 depression 106 ft. (32 m.). 



