Page:Great Neapolitan Earthquake of 1857 Vol 2.djvu/464

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INDEX.
397

condition, i. 116; mountain chains and valleys affecting the transmission of, ii. 261; sounds attending, ii. 286; tremulous movements that preceded and followed the, ii. 295—297; reflected wave in every, ii. 300; no single, possible, ii. 301; heat producing greatest, ii. 315; decay of the wave of, and its gradual or per saltum extinction, ii. 351; secondary effects produced by the passage of the, ii. 362; affections evidenced by animals at the time of the, ii. 377.

Shocks of vertical or nearly vertical emergence, effects on rectangular buildings, i. 75; double, at the Certosa, near Padula, i. 375, 378; difference in time between, i. 384; sporadic, close before and after the great shock of December, ii. 158; great, isoseismals of, compared, ii. 256.
Solid cubic block, i. 126.
Solid parallelopiped, i. 126.
Sorrento, earthquake at, October 12, 1856, i. 201.
Sorrento to Amalfi, direction of wave-path at, i. 229.
Sounds attending the shock, ii. 286; area of, ii. 287; varied with position, ii. 288.
Sounds and shock, relations of, ii. 294.
Sperlonga, position of, ii. 154; no evidence of earthquake at, ii. 155.
Spinosa, not much at to reward the time and labour of ascent, i. 429.
St. Michael's Cave, near Pertosa, corroborative proof of the steepness of emergence of the wave at, i. 281; geology of the valley at, i. 282.
Subabnormal wave, easy method of finding the path of a, i. 71.
Subabnormal wave, what so called, i. 35.
Subnormal waves, inferences from, i. 58.
Summits, effects of towns perched on, i. 261.
Surface, statistics of, in Neapolitan kingdom, ii. 160.

Tables of coefficients for fractures, i. 149—154; of factors for coefficient L, i. 151; second ditto, i. 152; of values, i. 153.
Tanagro, higher stream of, now called Galore, i. 283.
Telegraphic communication between Naples and earthquake district, how cut off, i. 289.
Temperature of the focal cavity, and the intensity of the force that acted within it, ii. 309; of artesian wells at Naples, ii. 311; hypogeal deductions from assumed increase of, ii. 313.
Tenementa della Madonna Campostrina, remarkable fissures in the, i. 289; wave-path at, i. 289.
Terracina, shock at, ii. 154; all trace of the earthquake about thirty miles from, finally lost, ii. 155.
Terra di Lavoro, physical conformation of, ii. 151.
Thermometer, earthquake wave becomes one, for inaccessible depths, ii. 319.
Time, interval of, between the double shocks at Padula, i. 381, 384; of tremors and of rending compared, ii. 308.
Tito, position of, ii, 52; loss of life at, ii. 62; severe injuries at, ii. 52; old church of St. Antonio at, ii. 52; Chiesa Madre at, ii. 53; cross at, ii. 53.
Topo, II, di Meto, ii. 81.
Towers, cylindric, effects of shock on, i. 86; high, effects of shock on, i. 98.
Towns, position of, i. 172; high or low, on rock or on clay, effects of shock on, ii. 359.
Tramutola, arrival at, ii. 17; situation of, ii. 18; wave-path at, ii. 19; Casa Marotta at, ii. 21; greater velocity of earth-wave at, than in limestone districts, ii. 21; the Chiesa Madre at, ii. 23; statue of St. Leonardo at, ii. 24; Chiesa dell' Rosario at, ii. 25; general wave-path at, ii, 26; noise during and after shock at, ii. 27.
Transit motion, direction of, inferred, in the case of a cardinal building and abnormal wave, i. 64.
Transit velocity of the wave form, i.

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