Before The Discovery Of The Famous Silver-Mines Of
Chanuncillo, Copiapo Was In A Rapid State Of Decay; But Now
It Is In A Very Thriving Condition; And The Town, Which Was
Completely Overthrown By An Earthquake, Has Been Rebuilt.
The valley of Copiapo, forming a mere ribbon of green
in a desert, runs in a very southerly direction; so that it is
of considerable length to its source in the Cordillera.
The
valleys of Guasco and Copiapo may both be considered as
long narrow islands, separated from the rest of Chile by
deserts of rock instead of by salt water. Northward of
these, there is one other very miserable valley, called Paposo,
which contains about two hundred souls; and then there
extends the real desert of Atacama - a barrier far worse
than the most turbulent ocean. After staying a few days at
Potrero Seco, I proceeded up the valley to the house of Don
Benito Cruz, to whom I had a letter of introduction. I found
him most hospitable; indeed it is impossible to bear too
strong testimony to the kindness with which travellers are
received in almost every part of South America. The next
day I hired some mules to take me by the ravine of Jolquera
into the central Cordillera. On the second night the
weather seemed to foretell a storm of snow or rain, and whilst
lying in our beds we felt a trifling shock of an earthquake.
The connection between earthquakes and the weather has
been often disputed: it appears to me to be a point of great
interest, which is little understood. Humboldt has remarked
in one part of the Personal Narrative, [1] that it would be
difficult for any person who had long resided in New Andalusia,
or in Lower Peru, to deny that there exists some connection
between these phenomena: in another part, however
he seems to think the connection fanciful. At Guayaquil
it is said that a heavy shower in the dry season is invariably
followed by an earthquake. In Northern Chile, from the
extreme infrequency of rain, or even of weather foreboding
rain, the probability of accidental coincidences becomes very
small; yet the inhabitants are here most firmly convinced of
some connection between the state of the atmosphere and of
the trembling of the ground: I was much struck by this
when mentioning to some people at Copiapo that there had
been a sharp shock at Coquimbo: they immediately cried out,
"How fortunate! there will be plenty of pasture there this
year." To their minds an earthquake foretold rain as surely
as rain foretold abundant pasture. Certainly it did so happen
that on the very day of the earthquake, that shower of
rain fell, which I have described as in ten days' time producing
a thin sprinkling of grass. At other times rain has
followed earthquakes at a period of the year when it is a
far greater prodigy than the earthquake itself: this happened
after the shock of November, 1822, and again in 1829, at
Valparaiso; also after that of September, 1833, at Tacna.
A person must be somewhat habituated to the climate of
these countries to perceive the extreme improbability of rain
falling at such seasons, except as a consequence of some law
quite unconnected with the ordinary course of the weather.
In the cases of great volcanic eruptions, as that of Coseguina,
where torrents of rain fell at a time of the year most
unusual for it, and "almost unprecedented in Central
America," it is not difficult to understand that the volumes
of vapour and clouds of ashes might have disturbed the
atmospheric equilibrium.
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