Regional variations of the intrinsic shear wave quality factor Qµ in both the upper crust and
upper mantle of continents are large, with values in old, stable cratons exceeding those in …

The structure of the earth has been extensively studied using seismic waves generated by
natural earthquakes and man-made sources. In classical seismology, the earth is …

We derive and analyze transport equations for the energy density of waves of any kind in a
random medium. The equations take account of nonuniformities of the background medium …

During the months that followed the 17 January 1994 M 6.7 Northridge, California,
earthquake, portable digital seismic stations were deployed in the San Fernando basin to …

We present a new method to estimate stable seismic source parameters, such as energy,
moment, and Orowan stress drop, using regional coda envelopes from as few as one …

We propose a new method for the simultaneous measurement of P-and S-wave attentuation
by extending the conventional coda-normalization method which had been limited to the …

Tensors play a fundamental role in theoretical physics. The reason for this is that physical
laws written in tensor form are independent of the coordinate system used (Morse and …

A new method recently developed by Hoshiba et al.(1991) was used to separate the effects
of scattering Q− 1 and intrinsic Q− 1 from an analysis of the S wave and its coda in Hawaii …

Two seismic wave attenuation factors, scattering attenuation (Qs− 1) and intrinsic absorption
(Qi− 1), can be determined from estimates of two parameters, the reciprocal of extinction …

We considered the effects of source, propagation path, and local site conditions on strong
ground motion from the Loma Prieta earthquake in the following steps. First, the local site …