Título
Estimation of radiated energy using the EGF technique: what should be the upper limit of integration in the frequency domain?
Autor
Shri Krishna Singh
Nivel de Acceso
En Embargo
Materias
TERREMOTOS - ([https://pubs.geoscienceworld.org/ssa/bssa/article/97/4/1346/146503]) ANÁLISIS EMPÍRICO - ([https://pubs.geoscienceworld.org/ssa/bssa/article/97/4/1346/146503]) MÉTODO DE ESTIMACIÓN - ([https://pubs.geoscienceworld.org/ssa/bssa/article/97/4/1346/146503]) FUNCIÓN VERDE - ([https://pubs.geoscienceworld.org/ssa/bssa/article/97/4/1346/146503]) ANÁLISIS DE FIABILIDAD - ([https://pubs.geoscienceworld.org/ssa/bssa/article/97/4/1346/146503]) SISMICIDAD - ([https://pubs.geoscienceworld.org/ssa/bssa/article/97/4/1346/146503]) Earthquake - (LCC) Empirical analysis - (LCC) Estimation method - (LCC) Green function - (LCC) Reliability analysis - (LCC) Seismicity - (LCC) CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA - (CTI) CIENCIAS DE LA TIERRA Y DEL ESPACIO - (CTI) GEOFÍSICA - (CTI) SISMOLOGÍA Y PROSPECCIÓN SÍSMICA - (CTI) concept8601 - (UNESCO) Seismology - (GEOREF)
Resumen o descripción
The empirical Green's function (EGF) technique is frequently used to estimate the radiated seismic energy, ER, of an earthquake. An approximation of the moment-rate spectrum, M0(f), of the target earthquake is obtained from the ratio of the spectrum of the target earthquake to the spectrum of the EGF earthquake, and the radiated seismic energy is computed by integrating f2M0 2(f) over frequency f. The choice of the upper limit of integration, fu, is critical. In this note we show that the optimum choice of fu, for the ω2-source model is given by fu/fc1∼ fc2/fc1, where fc1 and fc2 are the corner frequencies of the target and the EGF earthquakes, respectively. This result provides a useful guide in the application of the EGF technique to obtain a reliable estimate of the radiated seismic energy.
Editor
Seismological Society of America
Fecha de publicación
1 de agosto de 2007
Tipo de publicación
Artículo
Versión de la publicación
Versión publicada
Recurso de información
Formato
Fuente
https://pubs.geoscienceworld.org/ssa/bssa/article/97/4/1346/146503
Idioma
Inglés
Relación
Bulletin of the Seismological Society of America
0037-1106
Iglesias, A. and S. K. Singh. 2007. "Estimation of Radiated Energy Using the Egf Technique: What Should Be the Upper Limit of Integration in the Frequency Domain?" Bulletin of the Seismological Society of America, 97(4), 1346-1349.
Repositorio Orígen
Repositorio de Literatura del Servicio Sismológico Nacional
Descargas
0