Similar instances where
earth disturbances have prevailed, severely and continuously, far from
the vicinity of a volcano, are very rare indeed. In this instance,
over an extent of country stretching for 300 miles southward from
the mouth of the Ohio river, the ground rose and sank in great
undulations, and lakes were formed and again drained. The shocks were
attended by loud explosions, great fissures--generally traveling
from northeast to southwest, and sometimes more than half a mile in
length--were opened in the earth, and from these openings mud and
water were thrown often to the tops of the highest trees. Islands in
the Mississippi were sunk, the current of the river was driven back
by the rising of its bed, and overflowed the adjacent lands. More than
half of New Madrid county was permanently submerged. The inhabitants
noticed that these earth movements were sometimes vertical and
sometimes horizontal, the former being by far the most serious
in their effects. These disturbances ceased March 26, 1812,
simultaneously with the great earthquake which destroyed the city of
Caracas, South America.
THE DARK DAYS IN NEW ENGLAND.--On May 19, 1780, there was a remarkable
darkening of the sky and atmosphere over a large part of New England,
which caused much alarm among those who witnessed it. The darkness began
between ten and eleven o'clock on the day named, and continued in
some places through the entire day, and was followed by an unusually
intense degree of blackness during the ensuing night.
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