Abstract
IN continuation of my letters to NATURE on earthquake warnings in 1923 (vol. 112, p. 538) and 1927 (vol. 120, p. 619), I should like to direct attention to an important paper by Prof. Ishimoto (Bull. Earthquake Research Inst., vol. 4, pp. 203–222). Most of it is in the Japanese language and character, but there is a brief abstract in French on pp. 203–206, and the figures, plates, and tables are easily understood. These show the tilting of the ground preceding earthquakes in the Tango (Tahano) peninsula on the north coast of Japan, indicated by the ‘tiltometer’ (or ‘klinograph’) set up at Miyadu (Miyasu), 35° 27′N. and 135° 13′ E.). The observations were carried out immediately after the great Tango earthquake of Mar. 7, 1927, and graphs are given showing the tilting during two periods from Mar. 15 to April 1, and from April 22 to Sept. 10 in the same year.
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EVANS, J. Earthquake Warnings. Nature 122, 10–11 (1928). https://doi.org/10.1038/122010b0
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DOI: https://doi.org/10.1038/122010b0
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