+----------------+------------+----------+----------+----------+ | | Distance | Time | Velocity | Depth of | | | sea miles | taken by | in feet | ocean in | | | from Arica | wave |per second| feet | +----------------+------------+----------+----------+----------+ | | | h. m. | | | |Valdivia | 1,420 | 5 0 | 479 | 7,140 | |Chatham Islands | 5,520 | 15 19 | 608 | 11,472 | |Lyttleton | 6,120 | 19 18 | 533 | 8,838 | |Newcastle | 7,380 | 22 28 | 538 | 9,006 | |Apia (Samoa) | 5,760 | 16 2 | 604 | 11,346 | |Rapa | 4,057 | 11 11 | 611 | 11,598 | |Hilo | 5,400 | 14 25 | 555 | 9,568 | |Honolulu | 5,580 | 12 37 | 746 | 17,292 | +----------------+------------+----------+----------+----------+ Calculations on the same disturbance are also given by J. E. Hilgard.[82] Assuming the origin of the wave to have been at Arica, his results are as follows: +----------------+------------+------------+----------+----------+ | | | | Nautical | | | | Distance | Time of | miles |Mean depth| | |from Africa |transmission| per hour | of ocean | +----------------+------------+------------+----------+----------+ | | miles | h. m. | | feet | |San Diego | 4,030 | 10 55 | 369 | 12,100 | |Fort Point | 4,480 | 12 56 | 348 | 10,800 | |Astoria | 5,000 | 18 51 | 265 | 6,200 | |Kodiak | 6,200 | 22 00 | 282 | 7,000 | |Rapa | 4,057 | 10 54 | 372 | 12,200 | |Chatham Islands | 5,520 | 15 01 | 368 | 12,100 | |Hawaii | 5,460 | 14 10 | 385 | 13,200 | |Honolulu | 5,580 | 12 18 | 454 | 18,500 | |Samoa | 5,760 | 15 38 | 368 | 12,100 | |Lyttelton | 6,120 | 19 01 | 322 | 9,200 | |Newcastle | 9,380 | 22 10 | 332 | 9,800 | |Sydney | 7,440 | 23 41 | 314 | 8,800 | +----------------+------------+------------+----------+----------+ _The wave of 1877._—Two sets of calculations have been made upon the wave of 1877 by Dr. E. Geinitz of Rostock.[83] The following table is taken from Dr. Geinitz’s second paper, in which there are several modifications of his first results. The origin of the disturbance is assumed to have been near Iquique.