BUliii. IrJJUli. sou; AM. 



vuij. mv, lyib, Jr'jj. zy 





Figure 1. — One of the Rifts in the Kau Desert near the Kilauean Sink 



Tile rift stretches in a soutli westerly directiou, seaward, witli a downward displacement of 7 feet 

 on the north side. Pahoehoe lava underlies the 10-foot ash bed and the deep fissures are in the lava. 



lict FtK L'. — This Fissire opened in ISfiS near Pahala, in Kau 



View looking toward Kapapala. Into the fissure, which is about 80 feet in width and 40 feet in 

 depth, the pahoehoe lava has trickled in a few small tongues only, although the flow covers the coun- 

 try for a quarter of a mile on either side of the opening. The fissure opened as the flow was cooling. 



VOLCANIC PHENOMENA IN THE HAWAIIAN ISLANDS 



