A new method of spectral analysis and its application to the Earth's free oscillations: The “Sompi” method

Information Theory and an Extension of the Maximum Likelihood Principle

1998 • 16,234 citations

Preliminary reference Earth model

1981 • 9,821 citations

Mapping the upper mantle: Three‐dimensional modeling of earth structure by inversion of seismic waveforms

1984 • 1,197 citations

The Retrieval of Harmonics from a Covariance Function

1973 • 1,123 citations

An application of normal mode theory to the retrieval of structural parameters and source mechanisms from seismic spectra

1975 • 1,067 citations

Mapping the lower mantle: Determination of lateral heterogeneity in P velocity up to degree and order 6

1984 • 792 citations

On entropy maximization principle

1977 • 614 citations

Parametrically simple earth models consistent with geophysical data

1975 • 543 citations

The Early Structural Evolution and Anisotropy of the Oceanic Upper Mantle

1975 • 472 citations

Time series modelling and maximum entropy

1976 • 439 citations

Focal process of the great Chilean earthquake May 22, 1960

1974 • 399 citations

Aspherical Earth structure from fundamental spheroidal-mode data

1982 • 308 citations

An Earth Model based on free oscillations and body waves

1976 • 243 citations

Lateral heterogeneity and azimuthal anisotropy of the upper mantle: Love and Rayleigh waves 100–250 s

1985 • 212 citations

Q of the Earth

1978 • 204 citations

Three-dimensional structure of the Earth from splitting in free-oscillation spectra

1987 • 163 citations

THE TIMES OFP, SANDSKS, AND THE VELOCITIES OFPANDS

1939 • 162 citations

Upper mantle anisotropy: evidence from free oscillations

1982 • 151 citations

Structure of the inner core inferred from observations of its spheroidal shear modes

1981 • 151 citations

International deployment of accelerometers: A network for very long period seismology

1976 • 147 citations

Measurements and interpretation of normal mode attenuation

1978 • 141 citations

Attenuation in the earth at low frequencies

1983 • 135 citations

Observations of anomalous splitting and their interpretation in terms of aspherical structure

1986 • 132 citations

Attenuation models of the earth

1978 • 131 citations

Multiple-taper spectral analysis of terrestrial free oscillations: part I

1987 • 116 citations

On the Estimation of Spectra by Means of Non-linear Functions of the Covariance Matrix

1972 • 115 citations

Measurements of mantle wave velocities and inversion for lateral heterogeneity and anisotropy -- II. Analysis by the single-station method

1984 • 113 citations

Shear-wave polarization anisotropy in the Pacific Basin

1977 • 102 citations

Analysis of Irregularities in the Earth's Rotation

1973 • 101 citations

Rotational and elliptical splitting of the free oscillations of the Earth

1979 • 98 citations

Observations of coupled spheroidal and toroidal modes

1983 • 97 citations

Measurement of mantle wave velocities and inversion for lateral heterogeneity and anisotropy: 1. Analysis of Great Circle Phase Velocities

1983 • 94 citations

Observations from the IDA network of attenuation and splitting during a recent earthquake

1979 • 94 citations

Coupled free oscillations of an aspherical, dissipative, rotating Earth: Galerkin theory

1986 • 89 citations

Worldwide distribution of group velocity of mantle Rayleigh waves as determined by spherical harmonic inversion

1982 • 89 citations

Project IDA: A decade in review

1986 • 73 citations

Source times and scaling relations of large earthquakes

1983 • 69 citations

The effect of attenuation on gross earth models

1977 • 69 citations

Fundamental spheroidal mode observations of aspherical heterogeneity

1981 • 64 citations

THE TIMES OF THE CORE WAVES (Second Paper)

1939 • 63 citations

Autoregressive estimation of complex eigenfrequencies in low frequency seismic spectra

1980 • 63 citations

Identification of Free Oscillation Spectral Peaks for 1970 July 31, Colombian Deep Shock using the Excitation Criterion

1973 • 58 citations

Improved resolution of complex eigenfrequencies in analytically continued seismic spectra

1978 • 51 citations

Centroid-moment tensor solutions for 113 large earthquakes in 1977–1980

1985 • 51 citations

Multiple-taper spectral analysis of terrestrial free oscillations: part II

1987 • 49 citations

Core modes of the Earth's free oscillations and structure of the inner core

1989 • 43 citations

Autoregressive harmonic analysis of the Earth's polar motion using homogeneous international latitude service data

1983 • 36 citations

Stacking for the frequencies and Qs of 0S0 and 1S0

1980 • 32 citations

Time-domain attenuation measurements for fundamental spheroidal modes (0S6 to 0S28) for the 1977 Indonesian earthquake

1979 • 29 citations

Characteristic correlation time as estimate of optimum filter length in Maximum Entropy Spectral Analysis

1983 • 16 citations

50 years of studies on the inner core

1987 • 14 citations

Analysis of split normal modes for the 1977 Indonesian earthquake

1981 • 11 citations