Page:Great Neapolitan Earthquake of 1857 Vol 2.djvu/368

Rh occurrence of the first portion of the shock, and then its renewal, it will have occurred to the reader, as due to the direct wave, transmitted after refraction, through the St. Angelo range, and to the transversal vibrations, propagated from the oscillations of the axial vertical plane of the range itself; the former arriving first, and being the more powerful.