EBUFTION OF TOMBORO. 



VSZ 



r.nd where at other times sixty fathoms were sounded, 

 a promontory was formed, wliich increased in extent 

 until it filled up the bay. it is composed of gigantic 

 blocks of basalt highly calcined. The phenomenon 

 was attended with so little noise that the inhabitants 



Fig. 63.— Eruption ofTombm-o in 1821. 



of the Banda (or Nutmeg) Islands were unaware of tin; 

 occurrence until it was perfectly accomplished. Tin; 

 upheaval was slow, accompanied by an extraordinary 

 rise of temperature in the water, whicl) bui)b]i'<] up 

 in the 1 ay. 



