-264. Profefor WitLiams.on Earthquakes. 
«precipices ; and the mountains feemed to be moving out of 
their places : and amidft the uniyerfal crafh which took place, 
_moft kinds of animals fent forth fearful cries and howlings. 
The duration of this earthquake was very uncommon. The 
fft fhock continued half an hour before it was over ;. but it 
began to abate in about a quarter of an hour after it firft began. 
The fame day, about eight o'clock in the evening, there was a 
fecond fhock, equally violent as the firft ; and in the {pace of 
| half and hour, there were two others. "The next day, about 
“thi ree hours from the morning, there wasa violent fhock, which 
“‘Tafted a long time : and the next night, fome counted thirty- 
-two fhocks ; of which, many were violent.—Nor did thef 
earthquakes ceafe until the July following. 
— New-England and New-York were fhaken with no lef vio- 
lence than the French country. And, throughout an extent of 
three hundred leagues from eaft to weft, and more than one 
hundred and fifty from north to fouth, the earth, the rivers, 
i an the banks of the fea, were fhaken with the fame violence. 
| “ane fhoc*s fometimes came on fuddenly ; at other times. by 
oe oume feemed to be directed upwards ; others were 
attended with an undulatory motion.—And throughout the vaft 
extent of country to which they reached, they feemed to re- 
^ gm the motions of an intermitting pulfe, with irregular re- 
turns ; and which commenced through the whole at the fame 
soon 
E - This earthquake was attended with fome remarkable ets. 
UN fountains and {mall rivers were dried i up. In E the 
me fulphureous : and in fome, the channel in which 
fore, was fo altered that it could not be diftinguifhed. 
/ Many trees were torn-up, and thrown to a éontderable diftrice. 
And 
