dor_id: 4132156

506.#.#.a: Público

590.#.#.d: Los artículos enviados a la revista "Geofísica Internacional", se juzgan por medio de un proceso de revisión por pares

510.0.#.a: Consejo Nacional de Ciencia y Tecnología (CONACyT); Scientific Electronic Library Online (SciELO); SCOPUS, Dialnet, Directory of Open Access Journals (DOAJ); Geobase

561.#.#.u: https://www.geofisica.unam.mx/

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

590.#.#.c: Open Journal Systems (OJS)

270.#.#.d: MX

270.1.#.d: México

590.#.#.b: Concentrador

883.#.#.u: https://revistas.unam.mx/catalogo/

883.#.#.a: Revistas UNAM

590.#.#.a: Coordinación de Difusión Cultural

883.#.#.1: https://www.publicaciones.unam.mx/

883.#.#.q: Dirección General de Publicaciones y Fomento Editorial

850.#.#.a: Universidad Nacional Autónoma de México

856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/117/115

100.1.#.a: Franco, Sara Ivone; Iglesias, Arturo; Fukuyama, Eiichi

524.#.#.a: Franco, Sara Ivone, et al. (2020). Moment Tensor Catalog for Mexican Earthquakes: Almost Two Decades of Seismicity. Geofísica Internacional; Vol. 59 Núm. 2: Abril 1, 2020; 54-82. Recuperado de https://repositorio.unam.mx/contenidos/4132156

245.1.0.a: Moment Tensor Catalog for Mexican Earthquakes: Almost Two Decades of Seismicity

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

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 2020

264.#.1.c: 2020-04-01

653.#.#.a: Tensor de momento; México; base de datos; catálogossismicidad; Moment Tensor; Mexico; database; catalogs; seismicity; GCMT

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/117

001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/117

041.#.7.h: spa

520.3.#.a: In this work we used waveforms and the catalog of National Seismological Service (SSN) to analyze more than 20,000 events with M>= 4.0 for the period 2000-2018 with the goal of determining their moment tensor solutions. Because of large number of events, we automatize the process based on a set criteria. Using epicentral location and magnitude of each earthquake reported by the SSN, a set of valid stations to be used for the moment solution, the length of time series, and the filter band for data and synthetics are automatically selected. To expedite calculations a pre-computed library of Green functions is used. Through a linear inversion, for three-station combinations, the observed data and the corresponding Green functions are used to determine the seismic moment tensor (with null isotropic component). To reduce a possible bias related to the station distribution, each solution is weightened as a function of the azimuthal coverage of the stations used. After the automatic process solutions of only 8,000 earthquakes could be obtained; other events were rejected because of incomplete length of the data segment and/or its integrity. The solution quality is measured by the variance reduction value (VR). A statistical analysis of quality allows us to establish a VR value of ? 50% as reasonable threshold for reliable solutions. With these criteria a catalog of ~ 1,500 events have been compiled, including some small events (Mw < 4.0). There is evidence that show that the location of the well-solved events matches the areas of higher density of seismologic stations, and the limits of tectonic plates as well. A comparison between the catalog here obtained and the Global Centroid Moment Tensor (GCMT) catalog shows similarities. However, the magnitude reported in our catalog is systematically smaller than those reported by GCMT. The moment tensor solution catalog is available online in a public database (132.248.6.13/~cmt). This work is the first in Mexico in which a database of this kind is presented.doi: https://doi.org/10.22201/igeof.00167169p.2020.59.2.2081                      

773.1.#.t: Geofísica Internacional; Vol. 59 Núm. 2: Abril 1, 2020; 54-82

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

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

310.#.#.a: Trimestral

300.#.#.a: Páginas: 54-82

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

doi: https://doi.org/10.22201/igeof.00167169p.2020.59.2.2081

handle: 00a24e47d76f4f3b

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

856.#.0.q: application/pdf

file_creation_date: 2022-04-12 03:52:02.0

file_modification_date: 2022-04-12 03:52:02.0

file_creator: Sara Ivone Franco

file_name: 8d6aa04fbd935e8ec76a3627378d8ee1bf127b14c26e0722e5bd1de9f76e84fa.pdf

file_pages_number: 27

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245.1.0.b: Moment Tensor Catalog for Mexican Earthquakes: Almost Two Decades of Seismicity

last_modified: 2023-06-20 16:00:00

license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es

license_type: by-nc-sa

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