[1] Regional surface wave observations offer a powerful tool for determining source properties of large earthquakes, especially rupture velocity. Supershear ruptures, being faster than surface wave phase velocities, create far-field surface wave Mach cones along which waves from all sections of the fault arrive simultaneously and, over a sufficiently narrow frequency band, in phase. We present ...

Love waves propagation in a viscoelastic waveguide loaded on its surface with fluids of finite thickness is investigated this paper. The Maxwell and Kelvin-Voigt constitutive equations are employed order to describe the fluid viscoelasticity. By solving motion different media (viscoelastic fluid, elastic substrate) imposing suitable boundary conditions, an accurate simple generalized complex di...

The Rat Island earthquake of February 4, 1965 (origin time 05h 01m 21.8s, h = 40 km), is one of the largest earthquakes recorded in recent years. On the basis of the radiation patterns and the amplitudes of the great circle Rayleigh and Love waves, the earthquake is found to have the following characteristics: fault plane dip, 18ø; fault plane dip direction, N19øE; rupture propagation direction...

there are two historical paradigms in iranian family law: love law and libido law. understanding the two approaches is possible by thinking on the four categories of love: 1. libido: the passion of life and manifestation of sexual drive. 2.eros: the romantic love and the genuine material of poem and literature. 3.philia: the mere love purified from libido. 4. agape: the spiritual love in mystic...

In the classic microseismic band of 5-20 s seismic noise consists mainly of fundamental mode Rayleigh and Love waves; however, at shorter periods seismic noise also contains a significant amount of body wave energy and higher-mode surface waves. In this study we perform a global survey of Earth’s short period seismic noise field with the goal of quantifying the relative contributions of these p...

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RAYLEIGH waves from the Solomon Islands earthquake of July 29, 1950, recorded at Honolulu, Berkeley, Tucson, and Palisades are analyzed. Both the direct waves and those propagated through the Antipodes were observed for all stations except Honolulu. Application of a correction for land travel results in a dispersion curve for the oceanic portion of the path. It is found that the observed disper...