Earthquake hazard characterization by using entropy: application to northern Chilean earthquakes
| Primer Autor |
Posadas, Antonio
|
| Co-autores |
Pasten, Denisse
Vogel, Eugenio E.
Saravia, Gonzalo
|
| Título |
Earthquake hazard characterization by using entropy: application to northern Chilean earthquakes
|
| Editorial |
COPERNICUS GESELLSCHAFT MBH
|
| Revista |
NATURAL HAZARDS AND EARTH SYSTEM SCIENCES
|
| Lenguaje |
en
|
| Resumen |
The mechanical description of the seismic cycle has an energetic analogy in terms of statistical physics and the second law of thermodynamics. In this context, an earthquake can be considered a phase transition, where continuous reorganization of stresses and forces reflects an evolution from equilibrium to non-equilibrium states, and we can use this analogy to characterize the earthquake hazard of a region. In this study, we used 8 years (2007-2014) of high-quality Integrated Plate Boundary Observatory Chile (IPOC) seismic data for > 100 000 earthquakes in northern Chile to test the theory that Shannon entropy, H, is an indicator of the equilibrium state of a seismically active region. We confirmed increasing H reflects the irreversible transition of a system and is linked to the occurrence of large earthquakes. Using variation in H, we could detect major earthquakes and their foreshocks and aftershocks, including the 2007 M-w 7.8 Tocopilla earthquake, the 2014 M-w 8.1 Iquique earthquake, and the 2010 and 2011 Calama earthquakes (M-w 6.6 and 6.8, respectively). Moreover, we identified possible periodic seismic behaviour between 80 and 160 km depth.
|
| Fecha Publicación |
2023
|
| Tipo de Recurso |
artículo original
|
| doi |
10.5194/nhess-23-1911-2023
|
| Formato Recurso |
PDF
|
| Palabras Claves |
Earthquake hazard
Plate Boundary Observatory Chile
Chile
seismic cycle
|
| Ubicación del archivo | |
| Categoría OCDE |
Geología
Meteorología y Ciencias Atmosféricas
Recursos Hídricos
|
| Materias |
Peligro de terremoto
Observatorio del Límite de Placas de Chile
Chile
ciclo sísmico
|
| Página de inicio (Recomendado-único) |
1911.0
|
| Página final (Recomendado-único) |
1920
|
| Identificador del recurso (Mandatado-único) |
artículo original
|
| Versión del recurso (Recomendado-único) |
versión publicada
|
| License |
CC BY 4.0
|
| Condición de la licencia (Recomendado-repetible) |
CC BY 4.0
|
| Derechos de acceso |
acceso abierto
|
| Access Rights |
acceso abierto
|
| Id de Web of Science |
WOS:000994522200001
|
| ISSN |
1561-8633
|
| Tipo de ruta |
verde# dorado
|
| Categoría WOS |
Geología
Meteorología y Ciencias Atmosféricas
Recursos Hídricos
|
| Referencia del Financiador (Mandatado si es aplicable-repetible) |
AEI PID2021-124701NB-C21
AEI PID2021-124701NB-C22
UAL UAL2020-RNM-B1980
JA RNM104
ANID 1100036
ANID 1230055
CEDENNA AFB180001
CEDENNA AFB220001
UAL UAL2020-RNM-B1980
Agencia Nacional de Investigación y Desarrollo (ANID) 1100036
Agencia Nacional de Investigación y Desarrollo (ANID) 1230055
|
cienciaabierta.ufro.cl
ciencia.abierta@ufrontera.cl