Page:Great Neapolitan Earthquake of 1857 Vol 2.djvu/162

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THE MOMENT OF SHOCK HERE.
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more south than S.W. He was in the town in 1851, and is of opinion that the shock then, was from south to north.

A general ramble over the buildings of the town, however, convinced me that here, as at Rionero, and elsewhere, there had been several secondary waves, crossing the primary wave-path, and producing complicated minor phenomena, and wave-paths in direction, south to north.

They had no measures of the time of the occurrence by public clocks, stopped or observed. Their reports as to the noise, were not very distinct; the sound was low and prolonged, but obviously had not attracted much attention nor had the second shock of about an hour after the great one.