Q of Mode 0S0
Article Sidebar
Published:
Apr 26, 1979
Keywords:
Q-0S0-Time lapse spectra,
Maximum Likelihood Method,
Ricean statistics
Volumes
Vols. 1-18 (1924-1944), ISSN 0044-2801
Main Article Content
Abstract
Estimates of Q of mode oSo as measured after the Chilean (1960) and Alaskan (1964) earthquakes showed large scatter. The Indonesian quake of August 19, 1977, has provided a new opportunity to determine the attenuation factor for oSo. Time lapse spectra of a priori selected high quality data were analyzed using a maximum-likelihood method and Ricean statistics. Data from South Pole and Los Angeles gave Q values of 6324 (1 ±21 %) and 6859 (1 ± 17%) respectively. Taken together the result is 6687 (1 ± 13%).
ARK: https://n2t.net/ark:/88439/y084078
Permalink: https://geophysicsjournal.com/article/39
Article Details
How to Cite
Knopoff, L., Rydelek, P., Zurn, W., & Yogi, T. (1979). Q of Mode 0S0. Journal of Geophysics, 46(1), 89-95. Retrieved from https://journal.geophysicsjournal.com/JofG/article/view/39
Section
References
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Sailor, R.V., Dziewonski, A.M. (1978) Measurements and interpretation of normal mode attenuation. Geophys. J. Roy. Astron. Soc. 53, 559-581
Slichter, L.B. (1967) Spherical Oscillations of the Earth, Geophys. J. R. Astron. Soc. 14, 171-177
Siichter, L.B., MacDonald, G.J., Caputo, M. Hager, C.L. (1966) Comparison of spectra for spheroidal modes excited by the Chilean and Alaskan quakes. Geophys. J. R. Astron. Soc. 11, 256
Smith, S.W. (1961) An investigation of the earth's free oscillations. California Institute of Technology, Pasadena, California, USA: PhD Thesis
Knopoff, L. (1961) Statistical accuracy of the fault-plane problem, Publications of the Dominion Observatory. 24, 317-319
Middleton, D. (1968) An introduction to statistical communication theory. New Y ark: McGraw-Hill Book Co.
Nakanishi, K.K., Knopoff, L., Slichter, L.B. (1976) Observation of Rayleigh Wave dispersion at very long periods. J. Geophys. Res. 81,4417-4421
Ness, N.F., Harrison, J.C., Slichter, L.B. (1961) Observations of the free oscillations of the earth. J. Geophys. Res. 66, 621-629
Rice, S.O. (1944) Mathematical analysis of random noise, I. Bell System Tech. J. 23, 283-332
Rice, S.O. (1945) Mathematical analysis of random noise, II. Bell Syst. Tech. J. 24, 46-156
Rice, S.O. (1948) Statistical properties of a sine wave plus random noise, Bell Syst. Tech. J. 27, I 09-157
Sailor, R.V., Dziewonski, A.M. (1978) Measurements and interpretation of normal mode attenuation. Geophys. J. Roy. Astron. Soc. 53, 559-581
Slichter, L.B. (1967) Spherical Oscillations of the Earth, Geophys. J. R. Astron. Soc. 14, 171-177
Siichter, L.B., MacDonald, G.J., Caputo, M. Hager, C.L. (1966) Comparison of spectra for spheroidal modes excited by the Chilean and Alaskan quakes. Geophys. J. R. Astron. Soc. 11, 256
Smith, S.W. (1961) An investigation of the earth's free oscillations. California Institute of Technology, Pasadena, California, USA: PhD Thesis