The Radiated Seismic Energy and Apparent Stress of Interplate and Intraslab Earthquakes at Subduction Zone Environments: Implications for Seismic Hazard Estimation
Open-File Report 01-0005
Figure 1a. Radiated energy (ES) of 980 worldwide shallow-focus earthquakes that occurred between 1988 to 1999 as a function of moment (M0). The radiated energies are taken from the Monthly Listings of the PDE (Preliminary Determination of Epicenters) published by the NEIC (National Earthquake Information Center) of the U.S.G.S. The slope of the least-squares linear regression (solid line) yields a global average apparent stress for subduction zone earthquakes of 2.7 bars. The 95% geometric spread (width of distribution) about the regression line is indicated by the dashed lines.
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