Study of Seismic Clusters at Bahía de Banderas Region, Mexico

The coast in the state of Jalisco and south of Nayarit is located within a region of high seismic potential, increasing population, and tourism development. This motivated Civil Defense authorities of Jalisco and the Universidad de Guadalajara to launch in the year 2000 the assessment of the seismic...

Descripción completa

Detalles Bibliográficos
Autores: Marta Rutz López, Francisco J. Núñez Cornú, Carlos Suárez Plascencia
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2013
País:México
Institución:Universidad de Guadalajara
Repositorio:Redalyc-UDG
OAI Identifier:oai:redalyc.org:56825663005
Acceso en línea:https://www.redalyc.org/articulo.oa?id=56825663005
Access Level:acceso abierto
Palabra clave:Ciencias de la Tierra
cross
Seismic gap
correlation
Rivera plate
Jalisco block
id MX_df4932b6b9f72d723dfa35b4fa36e1f0
oai_identifier_str oai:redalyc.org:56825663005
network_acronym_str MX
network_name_str México
repository_id_str
spelling Study of Seismic Clusters at Bahía de Banderas Region, MexicoMarta Rutz LópezFrancisco J. Núñez CornúCarlos Suárez PlascenciaCiencias de la TierracrossSeismic gapcorrelationRivera plateJalisco blockThe coast in the state of Jalisco and south of Nayarit is located within a region of high seismic potential, increasing population, and tourism development. This motivated Civil Defense authorities of Jalisco and the Universidad de Guadalajara to launch in the year 2000 the assessment of the seismic risk of the region. This work focuses in the seismicity study of the area of Bahía de Banderas and northern coast of Jalisco, which is actually a seismic gap. We perform an analysis of available seismograms to characterize active crustal structures, their relationship to surface morphology, and possible extent of these structures into the bay shallow parts. The data consist of waveforms recorded during 2003 when the seismograph network spanned the region. Our method is based on the identification of seismic clusters or families using cross-correlation of waveforms, earthquake relocation and modeling of fault planes. From an initial data set of 404 located earthquakes, 96 earthquakes with ML < 3.6 are related to 17 potentially active continental structures. We present fault plane model for 11 structures. A subgroup of 7 structures is aligned parallel to the Middle America Trench, as a possible consequence of oblique subduction. The foci of the earthquakes were grouped into clusters corresponding to fault dimensions of hundred of meters, may be considered as asperities or barriers in tectonic structures with lengths between 10 and 30 km. These structures could generate shallow earthquakes with magnitudes between 5.0 and 6.0 and represent an additional seismic threat to the region.Universidad Nacional Autónoma de México2013info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdf0016-7169https://www.redalyc.org/articulo.oa?id=56825663005Geofísica Internacional (México) Num.1 Vol.52reponame:Redalyc-UDGinstname:Universidad de Guadalajarainstacron:UDGenhttp://www.redalyc.org/revista.oa?id=568Geofísica Internacionalinfo:eu-repo/semantics/openAccessoai:redalyc.org:568256630052026-01-29T04:44:40Z
dc.title.none.fl_str_mv Study of Seismic Clusters at Bahía de Banderas Region, Mexico
title Study of Seismic Clusters at Bahía de Banderas Region, Mexico
spellingShingle Study of Seismic Clusters at Bahía de Banderas Region, Mexico
Marta Rutz López
Ciencias de la Tierra
cross
Seismic gap
correlation
Rivera plate
Jalisco block
title_short Study of Seismic Clusters at Bahía de Banderas Region, Mexico
title_full Study of Seismic Clusters at Bahía de Banderas Region, Mexico
title_fullStr Study of Seismic Clusters at Bahía de Banderas Region, Mexico
title_full_unstemmed Study of Seismic Clusters at Bahía de Banderas Region, Mexico
title_sort Study of Seismic Clusters at Bahía de Banderas Region, Mexico
dc.creator.none.fl_str_mv Marta Rutz López
Francisco J. Núñez Cornú
Carlos Suárez Plascencia
author Marta Rutz López
author_facet Marta Rutz López
Francisco J. Núñez Cornú
Carlos Suárez Plascencia
author_role author
author2 Francisco J. Núñez Cornú
Carlos Suárez Plascencia
author2_role author
author
dc.subject.none.fl_str_mv Ciencias de la Tierra
cross
Seismic gap
correlation
Rivera plate
Jalisco block
topic Ciencias de la Tierra
cross
Seismic gap
correlation
Rivera plate
Jalisco block
description The coast in the state of Jalisco and south of Nayarit is located within a region of high seismic potential, increasing population, and tourism development. This motivated Civil Defense authorities of Jalisco and the Universidad de Guadalajara to launch in the year 2000 the assessment of the seismic risk of the region. This work focuses in the seismicity study of the area of Bahía de Banderas and northern coast of Jalisco, which is actually a seismic gap. We perform an analysis of available seismograms to characterize active crustal structures, their relationship to surface morphology, and possible extent of these structures into the bay shallow parts. The data consist of waveforms recorded during 2003 when the seismograph network spanned the region. Our method is based on the identification of seismic clusters or families using cross-correlation of waveforms, earthquake relocation and modeling of fault planes. From an initial data set of 404 located earthquakes, 96 earthquakes with ML < 3.6 are related to 17 potentially active continental structures. We present fault plane model for 11 structures. A subgroup of 7 structures is aligned parallel to the Middle America Trench, as a possible consequence of oblique subduction. The foci of the earthquakes were grouped into clusters corresponding to fault dimensions of hundred of meters, may be considered as asperities or barriers in tectonic structures with lengths between 10 and 30 km. These structures could generate shallow earthquakes with magnitudes between 5.0 and 6.0 and represent an additional seismic threat to the region.
publishDate 2013
dc.date.none.fl_str_mv 2013
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv 0016-7169
https://www.redalyc.org/articulo.oa?id=56825663005
identifier_str_mv 0016-7169
url https://www.redalyc.org/articulo.oa?id=56825663005
dc.language.none.fl_str_mv en
language_invalid_str_mv en
dc.relation.none.fl_str_mv http://www.redalyc.org/revista.oa?id=568
dc.rights.none.fl_str_mv Geofísica Internacional
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Geofísica Internacional
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidad Nacional Autónoma de México
publisher.none.fl_str_mv Universidad Nacional Autónoma de México
dc.source.none.fl_str_mv Geofísica Internacional (México) Num.1 Vol.52
reponame:Redalyc-UDG
instname:Universidad de Guadalajara
instacron:UDG
instname_str Universidad de Guadalajara
instacron_str UDG
institution UDG
reponame_str Redalyc-UDG
collection Redalyc-UDG
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1858177330397052928
score 15.198674

Similares en LA Referencia