Page:Great Neapolitan Earthquake of 1857 Vol 2.djvu/313

Rh {| class="wikitable"
 * +Stations for Emergences — continued.
 * align="center"| || align="center"|  || colspan="2" align="center"|
 * ||align="center"|  ||colspan="2"|
 * Tito || 2,100 || 33° || 30°
 * La Sala || 1,768 || 27° 10' || 24°
 * Chiesa della Trinita || 800 || 23° ||
 * Potenza || 2,580 || 23° 07' ||
 * Padula || 900 || 25° 30' || 20°
 * Avigliano || 3,308 || 25° || 20°
 * Francescani, Padula || 700 || 20° || 18°
 * Tramutola || 2,000 || 18° || 17°
 * Atella || 1,800 || 18° || 15°
 * Rionero || 1,957 || 16° 30' || 16°
 * Bareille || .. || 8° || 4°
 * Saponara || 2,300 || 16° || 12°
 * Rapolla || 1,800 || 12° ||
 * Moliterno || 2,696 || 13° 30' || 11°
 * Melfi || 1,600 || 16° 20' || 15°
 * Sarconi || 2,000 || 16° 25' ||
 * Montemurro || 2,700 || 20° || 15°
 * Naples || Sea level  || 6° ||
 * }
 * Atella || 1,800 || 18° || 15°
 * Rionero || 1,957 || 16° 30' || 16°
 * Bareille || .. || 8° || 4°
 * Saponara || 2,300 || 16° || 12°
 * Rapolla || 1,800 || 12° ||
 * Moliterno || 2,696 || 13° 30' || 11°
 * Melfi || 1,600 || 16° 20' || 15°
 * Sarconi || 2,000 || 16° 25' ||
 * Montemurro || 2,700 || 20° || 15°
 * Naples || Sea level  || 6° ||
 * }
 * Melfi || 1,600 || 16° 20' || 15°
 * Sarconi || 2,000 || 16° 25' ||
 * Montemurro || 2,700 || 20° || 15°
 * Naples || Sea level  || 6° ||
 * }
 * Montemurro || 2,700 || 20° || 15°
 * Naples || Sea level  || 6° ||
 * }
 * }

Naples and Barielle I have eliminated, the first as belonging to the separate system of waves of reflection, and both, because, as stated in Part I., the determination of the angle e, becomes uncertain when so very small.

This Diagram is plotted to the same scale, as the Maps A and B, and to what is called "a natural scale," i.e., the vertical and horizontal scales are equal; so that the wave-paths in No. 2, represent to the eye very nearly, the precise paths of the emerging shock, at every station, as if seen in vertical section by an observer.

The greatest distance, from the seismic vertical, of any station (marked), is that of Salerno, 35 geographical miles, the next greatest being, Melfi and Sarconi, both under 27 geographical miles. The earth's sphericity, therefore, at these extreme stations, is 816 feet for the former, and 486