Abstract
THE P phase from the nuclear explosion Longshot, detonated beneath Amchitka Island at a depth of 2,300 ft. on October 29, 1965, was well recorded at most Australian seismograph stations. The amplitudes of ground displacement at these stations have been plotted against distance in Fig. 1. These amplitudes were calculated from the peak-to-peak amplitude of the first cycle of P motion on each record. U.S. Coastal and Geodetic Survey station abbreviations have been used in the figure, with the addition of the recently established Warramunga array at Tennant Creek (TCA), and the South Australian station at Cleve (CLV). Details of the stations have been given by Doyle and Underwood1.
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References
Doyle, H., and Underwood, R., Austral. J. Sci., 28, 40 (1965).
Carder, D. S., Bull. Seis. Soc. Amer., 54, 2271 (1964).
Buchbinder, G. G. R., Bull. Seis. Soc. Amer., 55, 441 (1965).
Cleary, J., and Hales, A. L., Trans. Amer. Geophys. Union, 46, 157 (1965).
Jeffreys, H., Mon. Not. Roy. Astro. Soc., Geophys. Suppl., 4, 537 (1939).
Bullen, K. E., Mon. Not. Roy. Astro. Soc., Geophys. Suppl., 5, 355 (1949).
Cleary, J., and Hales, A. L., Bull. Seis. Soc. Amer., 55, 467 (1966).
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CLEARY, J. P Amplitudes from Longshot at Australian Stations. Nature 211, 954 (1966). https://doi.org/10.1038/211954a0
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DOI: https://doi.org/10.1038/211954a0
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