dor_id: 4132963

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650.#.4.x: Físico Matemáticas y Ciencias de la Tierra

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: http://revistagi.geofisica.unam.mx/index.php/RGI

351.#.#.b: Geofísica Internacional

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/569/588

100.1.#.a: Nikolaevt, Alexei; Nikolaev, Vsevolod

524.#.#.a: Nikolaevt, Alexei, et al. (1996). Lithospheric stress state in South America as inferred from tidal triggering of earthquakes. Geofísica Internacional; Vol. 35 Núm. 3: Julio 1, 1996; 329-338. Recuperado de https://repositorio.unam.mx/contenidos/4132963

245.1.0.a: Lithospheric stress state in South America as inferred from tidal triggering of earthquakes

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 1996

264.#.1.c: 1996-07-01

653.#.#.a: Esfuerzo de mareas; efecto de gatillo; Sudamerica; Tidal stress; triggering; South America

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico revistagi@igeofisica.unam.mx

884.#.#.k: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/569

001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/569

041.#.7.h: spa

520.3.#.a: We present a model for the lithospheric stress state in South America inferred from tidal triggering of earthquakes. The South American plate is attractive for study b~cause the slab pull component should be small and the other components are reasonably isolated geographically. A catalogue of South America earthquakes which contains 23,399 events with M>3.5 has been used for the study of the Earth tide triggering effect. The normalized difference, t, between the number of shocks occurring during positive and negative phases of tidal vector components is used to estimate the tidal triggering effect. This value t has a mosaic spatial distribution and changes with time. The tidal triggering effect is also connected with a few harmonic components of the Earth tide that differ from area to area. We present maps of the Lode-Nadai coefficient, that characterizes the lithosphere stress state. These maps show a dominant state of tension along the Cordilleras and a rather chaotic distribution in the inner-continental area. The detailed features have a complex character and are not distinctly tied with tectonic elements. The maps of the orientation of compression and tension axes are also obtained using a tidal triggering effect.doi: https://doi.org/10.22201/igeof.00167169p.1996.35.3.466

773.1.#.t: Geofísica Internacional; Vol. 35 Núm. 3: Julio 1, 1996; 329-338

773.1.#.o: http://revistagi.geofisica.unam.mx/index.php/RGI

022.#.#.a: ISSN-L: 2954-436X; ISSN impreso: 0016-7169

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300.#.#.a: Páginas: 329-338

264.#.1.b: Instituto de Geofísica, UNAM

doi: https://doi.org/10.22201/igeof.00167169p.1996.35.3.466

handle: 2e1aa450b435ec78

harvesting_date: 2023-06-20 16:00:00.0

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file_modification_date: 2022-07-08 19:19:38.0

file_creator: Alexei Nikolaev and V sevolod Nikolaev

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245.1.0.b: Lithospheric stress state in South America as inferred from tidal triggering of earthquakes

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Artículo

Lithospheric stress state in South America as inferred from tidal triggering of earthquakes

Nikolaevt, Alexei; Nikolaev, Vsevolod

Instituto de Geofísica, UNAM, publicado en Geofísica Internacional, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Instituto de Geofísica, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Nikolaevt, Alexei, et al. (1996). Lithospheric stress state in South America as inferred from tidal triggering of earthquakes. Geofísica Internacional; Vol. 35 Núm. 3: Julio 1, 1996; 329-338. Recuperado de https://repositorio.unam.mx/contenidos/4132963

Descripción del recurso

Autor(es)
Nikolaevt, Alexei; Nikolaev, Vsevolod
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Lithospheric stress state in South America as inferred from tidal triggering of earthquakes
Fecha
1996-07-01
Resumen
We present a model for the lithospheric stress state in South America inferred from tidal triggering of earthquakes. The South American plate is attractive for study b~cause the slab pull component should be small and the other components are reasonably isolated geographically. A catalogue of South America earthquakes which contains 23,399 events with M>3.5 has been used for the study of the Earth tide triggering effect. The normalized difference, t, between the number of shocks occurring during positive and negative phases of tidal vector components is used to estimate the tidal triggering effect. This value t has a mosaic spatial distribution and changes with time. The tidal triggering effect is also connected with a few harmonic components of the Earth tide that differ from area to area. We present maps of the Lode-Nadai coefficient, that characterizes the lithosphere stress state. These maps show a dominant state of tension along the Cordilleras and a rather chaotic distribution in the inner-continental area. The detailed features have a complex character and are not distinctly tied with tectonic elements. The maps of the orientation of compression and tension axes are also obtained using a tidal triggering effect.doi: https://doi.org/10.22201/igeof.00167169p.1996.35.3.466
Tema
Esfuerzo de mareas; efecto de gatillo; Sudamerica; Tidal stress; triggering; South America
Idioma
spa
ISSN
ISSN-L: 2954-436X; ISSN impreso: 0016-7169

Enlaces