Page:Great Neapolitan Earthquake of 1857.djvu/482

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386 PROBABLE 0AUSE OF NEAR EQUALITY. tremely dislocated and overturned country I deem the latter as most probably the fact. The measures of velocity for this locality are relatively, however, as nearly reliable as the d t will admit. As absolute measures of transit velocity, they must be taken as mere approximations, as all our dat for this are based upon the observations made as to time at the moment of shock, and unfortunately . re not only few in number, but by no means to be relied upon as to exactness, in this locality.