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TitleSome new investigations of earthquake mechanism
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AuthorKeylis-Borok, V I
SourceA symposium on earthquake mechanism; by Hodgson, J H (ed.); Publications of the Dominion Observatory vol. 24, no. 10, 1961 p. 335-341, (Open Access)
PublisherCanada Department of Mines and Technical Surveys
MeetingInternational Union of Geodesy and Geophysics, Association of Seismology and Physics of the Earth's Interior, Twelfth General Assembly; Helsinki; FI; 1960
Mediapaper; on-line; digital
RelatedThis publication is contained in Hodgson, J H; (1961). A symposium on earthquake mechanism, Publications of the Dominion Observatory vol. 24 no. 10
File formatpdf
Subjectsgeophysics; tectonics; mathematical and computational geology; seismology; earthquakes; earthquake mechanisms; crustal movements; displacement; faults; seismic waves; models; stress analyses; seismological network; methodology
Illustrationsspectra; geoscientific sketch maps; graphs; tables
Natural Resources Canada Library - Ottawa (Earth Sciences)
Released1961 01 01; 2018 11 19
Abstract1. Theory predicts that in azimuths coinciding with the fault strike, the maximum in the surface-wave spectrum is at a higher period than in perpendicular azimuths. This can be used together with body waves or independently for fault-plane determinations.
2. A method is considered which permits one to investigate the selectivity of a system of stations used in fault-plane studies. The method also simplifies subsequent interpretation.
3. Some simplified methods to obtain a source model are investigated. A model, obtained by analogy with dislocation theory, is shown to correspond to a peculiar distribution of pre-faulting stress which cannot correspond to a real source.