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dc.contributor.author
Jagla, Eduardo Alberto
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dc.date.available
2024-08-16T14:51:48Z
dc.date.issued
2010-04
dc.identifier.citation
Jagla, Eduardo Alberto; Realistic spatial and temporal earthquake distributions in a modified Olami-Feder-Christensen model; American Physical Society; Physical Review E: Statistical, Nonlinear and Soft Matter Physics; 81; 4; 4-2010; 461171-461178
dc.identifier.issn
1539-3755
dc.identifier.uri
http://hdl.handle.net/11336/242682
dc.description.abstract
The Olami-Feder-Christensen model describes a limiting case of an elastic surface that slides on top of a substrate and is one of the simplest models that display some features observed in actual seismicity patterns. However, temporal and spatial correlations of real earthquakes are not correctly described by this model in its original form. I propose and study a modified version of the model, which includes a mechanism of structural relaxation. With this modification, realistic features of seismicity emerge, which are not obtained with the original version, mainly: aftershocks that cluster spatially around the slip surface of the main shock and follow the Omori law, and averaged frictional properties similar to those observed in rock friction, in particular the velocity-weakening effect. In addition, a Gutenberg-Richter law for the decaying of number of earthquakes with magnitude is obtained, with a decaying exponent within the range of experimentally observed values. Contrary to the original version of the model, a realistic value of the exponent appears without the necessity to fine tune any parameter.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Physical Society
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
EARTHQUAKES
dc.subject.classification
Física de los Materiales Condensados
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Realistic spatial and temporal earthquake distributions in a modified Olami-Feder-Christensen model
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-08-12T14:02:06Z
dc.journal.volume
81
dc.journal.number
4
dc.journal.pagination
461171-461178
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Jagla, Eduardo Alberto. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina
dc.journal.title
Physical Review E: Statistical, Nonlinear and Soft Matter Physics
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/pre/abstract/10.1103/PhysRevE.81.046117
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1103/PhysRevE.81.046117
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