216 : Earthquakes in Sicily. 
Fa TI.—An account of ie Si deibiies which oceurred iw 
Sicily, in March, 1823. By Sig. Apate Ferrara, Pro- 
= “fessor of Nat. Philos. in the University of C atanins &c. &c. 
[Translated eS the Boston Journal of f Philosophy and the Arts, by 
on. W.S. son. ]* 
Ox oo the 5th of March, 1823, at 26m. after 5 P. Me 
pete suffered a violent shock of an earthquake. ] was 
ing in the large plain before the palace, in a situation 
a I was enabled to preserve that tranquillity of mind 
_ necessary for observation. ‘The first shock was indistinct, 
‘Bartending, from below upwards ; the second was undulatory, 
more vigorous, as though a new impulse had been added 
to the first, doubling its force; the third was less strong, but 
of the same nature; a new exertion of the force rendered the 
fourth equal on the whole to the second ; the fifth, like the 
first, had an evident tendency upwards. "Their duration was 
of the vane on the top of 
the ue gate connected with the malta, and upon which I 
y eyes, bowed in that direction, and remained so 
until “oq sabbath, when it fell; it was inclined to the south- 
west In an angle of 20°. ‘The waters in the great basin of 
the Botanical Garden, as was told me by an eye witness, were 
d up in the same direction by the second shock; anda 
palm tree, thirty feet high, in the same garden, was seen to 
bow its long leafless branches siferdafely to the north-east 
and south-west, almost to the ground. The clocks in the 
observatory, which vibrated from north to south, and from 
east to west, were stopped, because the direction of the shock 
cut obliquely the plane of their respective vibrations; and 
* It was our intention to have Sieg ee a translation, for the American 
Journal, of this memoir, of which a cop’, in ‘on we iginal Italian, was 
transmitted to us by Professor Ferrara, but w dly avail ourselves of 
re — has already appeared in the Roaitin.- aia for September 
