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Resolving the Earthquake Source Scaling Problem
出版United States. Department of Energy, 2004
URLhttp://books.google.com.hk/books?id=p9bkjwEACAAJ&hl=&source=gbs_api
註釋The scaling behavior of basic earthquake source parameters such as the energy release per unit area of fault slip, quantitatively measured as the apparent stress, is currently in dispute. There are compelling studies that show apparent stress is constant over a wide range of moments (e.g. Choy and Boatwright, 1995; McGarr, 1999; Ide and Beroza, 2001, Ide et al. 2003). Other equally compelling studies find the apparent stress increases with moment (e.g. Kanamori et al., 1993; Abercrombie, 1995; Mayeda and Walter, 1996; Izutani and Kanamori, 2001; Richardson and Jordan, 2002). The resolution of this issue is complicated by the difficulty of accurately accounting for attenuation, radiation inhomogeneities, bandwidth and determining the seismic energy radiated by earthquakes over a wide range of event sizes in a consistent manner. As one part of our LDRD project we convened a one-day workshop on July 24, 2003 in Livermore to review the current state of knowledge on this topic and discuss possible methods of resolution with many of the world's foremost experts.