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The customary time here must be the half and not the quarter hour, for the latter would bring the time before the occurrence of the shock as observed at any point whatever.

According to Signor D'Errico, the wave-path at Monte Peloso, was between 45° E. of north, and 90° E. of north. The latter coincides more closely with the direction derivable from Potenza and many other places, which would be about 103° E. of north. It seems probable, therefore, that the wave-path here, was disturbed by the large mass of comparatively low hills, to the N.E. and east. According to Signor D'Errico and the clerics of Potenza, the shock was felt at Acerenza, Grenzano, Oppido, Lupino, and Minervino, in the same or nearly the same direction. The shock was severe, at Matera, Gravina, and Altamura: at the last place the direction was west to east. At Ruvo, Terlizza, Bitonto, Bitetto, and Bineto, it was scarcely felt at all.

All these places are situated out upon the rolling plains