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<h2> CHAPTER IV. A CONVULSION OF NATURE </h2>
<p>Whence came it that at that very moment the horizon underwent so strange
and sudden a modification, that the eye of the most practiced mariner
could not distinguish between sea and sky?</p>
<p>Whence came it that the billows raged and rose to a height hitherto
unregistered in the records of science?</p>
<p>Whence came it that the elements united in one deafening crash; that the
earth groaned as though the whole framework of the globe were ruptured;
that the waters roared from their innermost depths; that the air shrieked
with all the fury of a cyclone?</p>
<p>Whence came it that a radiance, intenser than the effulgence of the
Northern Lights, overspread the firmament, and momentarily dimmed the
splendor of the brightest stars?</p>
<p>Whence came it that the Mediterranean, one instant emptied of its waters,
was the next flooded with a foaming surge?</p>
<p>Whence came it that in the space of a few seconds the moon's disc reached
a magnitude as though it were but a tenth part of its ordinary distance
from the earth?</p>
<p>Whence came it that a new blazing spheroid, hitherto unknown to astronomy,
now appeared suddenly in the firmament, though it were but to lose itself
immediately behind masses of accumulated cloud?</p>
<p>What phenomenon was this that had produced a cataclysm so tremendous in
effect upon earth, sky, and sea?</p>
<p>Was it possible that a single human being could have survived the
convulsion? and if so, could he explain its mystery?</p>
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