SEISMOGRAPH RECORDS 375 



gists like Prof. John Milne/^ Dr. F. Omori/^ Dr. A. Cancani«* and other 

 Italian observers, Prof. E. Lagrange,^^ Dr. E. D. Oldham/^ and others. 



In 1900 the British Association for the Advancement of Science pub- 

 lished 28 of the better seismograms of the Yakntat Bay earthquakes of 

 September 3, 10, and 23, 1899.^" The seismogram of the September 10 

 disturbance at Batavia, Java, is reproduced by Dr. J. P. van der Stok in 

 an article, "Two earthquakes in Europe and at Batavia."^^ The Impe- 

 rial Earthquake Investigation Committee of Japan published records of 

 the September 3d and lOih shocks as recorded at the Tokio observatories 

 of Hongo and Hitotsubashi.^® The seismogram of the September 3d 

 earthquake as recorded at Uccle, Belgium, was published in 1901.^^ The 

 September 3d record of the nearest seismograph to Victoria, British 



I 



I 



SepfemfrerJ 10 IS 17? 



Figure 7. — Earthquahe Diagram 



Showing relative time intervals and approximate relative intensities of the eight most 

 severe earthqualies at Yakutat Bay, Alaska, in September, 1899 



Columbia, and, therefore, only 1,000 miles from Yakutat, and the To- 

 ronto records of the earthquakes of September 3 and 10 were reproduced 

 by Dr. E. F. Stupart,^^ of the Meteorological Service of Canada. 



Plate 29 shows the Catania records of the great earthquake of Septem- 



*- J. Milne : Report of British Association for the Advancement of Science, 1900, pp. 

 C4, 66, 68. 69. 70, 71, 72-73, 74, 77, 80, 82, 87, 95, 96-97, 98, 99, 100, 105, 108, and 

 plates ii and iii ; same, 1902, pp. 62, 64. 



S3 F. Omori : Publications of Earthquake Investigation Committee in foreign languages, 

 no. 5, Tokio, 1901, pp. 21, 26, 37, 38, 39, 40, 47, 48, 49, 50, 59, 62, 63; same, no. 6. 

 1901, 47-48, 49-50, 50-51, 51-52 ; same, no. 13. 1903. 87, 88, 96-99, 112, 114, 117, 121. 

 122, 123 ; same, no. 21, 1905, 45-49, 60, 71, 76, 77, 79, 80, 81, 85, 88, 89. 



^ A. Cancani : Noticie sui terremoti osservati in Italia durante I'anno 1899. Appen- 

 dice al Bollettino della Societa Sismologica Italiana, vol. 6, Modena, 1900-1901, pp. 178- 

 190, 194-198, 199-208, 223-227. 



^^ E. Lagrange : Les Movements Sismiques en Belgique en 1899. Bull, de la Soc. Beige 

 d'Astronomie, 5rae. anage, 1901, no. 2, p. 4. 



89 R. D. Oldham : QuarterlrJQurnal of the Geological Society, vol. Ixii, 1906, pp. 459,- 

 461, 471. 



" Fifth Report, Committee on Selsmological Investigation, British Association for the 

 Advancement of Science, 1900, pp. 95-97, 100. 



^^ Koninklijke Akademie van Wetenschappen te Amsterdam. Proceedings of the Sec- 

 tion of Sciences, vol. ii, 1900, plate opposite page 246. 



®^ Publications of Earthquake Investigation Committee in foreign languages, no. 5, 

 1901, plates vli and viii ; same, no. 21, 1905, plate xxxvi. 



^ Bull. Soci^tg Beige d'Astronomie, 5me. ann6e, 1901, no. 2, plate xil. 



®^ Proceedings and Transactions of the Royal Society of Canada, second series, vol. Ix, 

 section 111, 1903, plate opposite page 71. 



