Multifractal analysis of three large earthquakes in Chile: Antofagasta 1995, Valparaiso 1985, and Maule 2010 |
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| Authors: | Denisse Pastén Diana Comte |
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| Institution: | 1. AG2E, Advanced Mining Technology Center, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile
2. Departamento de Geofísica, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Santiago, Chile
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| Abstract: | A multifractal analysis of seismicity of three large earthquakes in Chile is made: the Central Zone 1985 (M W = 8.0), Antofagasta 1995 (M W = 8.1), and Maule 2010 (M W = 8.8) earthquakes. The analysis shows that the fractal dimension spectrum D q decreases with time before an earthquake. This fact suggests that the spatial distribution of seismic events could form a cluster before a main shock. |
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