120 EAKTIIQUAKES IN THE EIGHTEENTH CENTUKY. [Cii. XXIX. 



Some of the chasms which opened seem to imply the 

 sinking down of the earth into subterranean cavities. One 

 of these was observed by the Academicians on the sloping 



Eig. 113. 



Chasm formed by the earthquake oi 1783 near Oppido, in Calabria. 



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side of a hill near Oppido, into wliich part of a vineyard and 

 a considerable number of olive trees with a large quantity of 

 soil were precipitated. Yet a great gnlf remained after the 



Fi2-. 114 



Chasm in the hill of St. Angelo, near Soriano, in Calabria, caused by the earth- 

 quake of 1783. 



shock, in the form of an amphitheatre, 500 feet long and 200 



feet deep. (See fig. 113.) 



According to Grimaldi, many fissures and chasms, formed 



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