Page:Great Neapolitan Earthquake of 1857 Vol 2.djvu/304

These are the wave-paths of the following places, going round the local point from east to west by the north, viz.:—

it will also be found, that thirty-two of them, pass within a circle concentric with the preceding, of one georaphical mile radius, round the focal point, and including the preceding stations, viz.:—

R2