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D. V. Helmberger
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Journal Article

Approximation of rupture directivity in regional phases using upgoing and downgoing wave fields

Chandan K. Saikia, D. V. Helmberger
Published: 01 August 1997
Bulletin of the Seismological Society of America (1997) 87 (4): 987–998.
DOI: https://doi.org/10.1785/BSSA0870040987
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The location and source parameters of the Lompoc, California, earthquake of 4 November 1927

D. V. Helmberger, P. G. Somerville, E. Garnero
Published: 01 August 1992
Bulletin of the Seismological Society of America (1992) 82 (4): 1678–1709.
DOI: https://doi.org/10.1785/BSSA0820041678
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Comparison of source scaling relations of eastern and western North American earthquakes

P. G. Somerville, J. P. McLaren, L. V. LeFevre, R. W. Burger, D. V. Helmberger
Published: 01 April 1987
Bulletin of the Seismological Society of America (1987) 77 (2): 322–346.
DOI: https://doi.org/10.1785/BSSA0770020322
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The effect of crustal structure on strong ground motion attenuation relations in eastern North America

R. W. Burger, P. G. Somerville, J. S. Barker, R. B. Herrmann, D. V. Helmberger
Published: 01 April 1987
Bulletin of the Seismological Society of America (1987) 77 (2): 420–439.
DOI: https://doi.org/10.1785/BSSA0770020420
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Reply to comments by A. Douglas, J. B. Young, and N. S. Lyman and a note on the revised moments for Pahute Mesa tectonic release

T. C. Wallace, D. V. Helmberger, T. Lay
Published: 01 February 1986
Bulletin of the Seismological Society of America (1986) 76 (1): 313–318.
DOI: https://doi.org/10.1785/BSSA0760010313
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Modeling the long-period body waves from shallow earthquakes at regional ranges

D. V. Helmberger, G. R. Engen
Published: 01 October 1980
Bulletin of the Seismological Society of America (1980) 70 (5): 1699–1714.
DOI: https://doi.org/10.1785/BSSA0700051699
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Time functions appropriate for nuclear explosions

L. J. Burdick, D. V. Helmberger
Published: 01 August 1979
Bulletin of the Seismological Society of America (1979) 69 (4): 957–973.
DOI: https://doi.org/10.1785/BSSA0690040957
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Fine structure of an oceanic crustal section near the East Pacific Rise

D. V. Helmberger, G. Engen
Published: 01 April 1978
Bulletin of the Seismological Society of America (1978) 68 (2): 369–382.
DOI: https://doi.org/10.1785/BSSA0680020369
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A note on nonequivalent quadrupole source cylindrical shear potentials which give equal displacements

D. G. Harkrider, D. V. Helmberger
Published: 01 February 1978
Bulletin of the Seismological Society of America (1978) 68 (1): 125–132.
DOI: https://doi.org/10.1785/BSSA0680010125
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Time functions appropriate for deep earthquakes

L. J. Burdick, D. V. Helmberger
Published: 01 October 1974
Bulletin of the Seismological Society of America (1974) 64 (5): 1419–1427.
DOI: https://doi.org/10.1785/BSSA0640051419
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