Calibration of the local magnitude scale (ML) for Peru

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dc.contributor.authorCondori Quispe, Cristobal
dc.contributor.authorTavera, Hernando
dc.contributor.authorSant’Anna Marotta, Giuliano
dc.contributor.authorPeres Rocha, Marcelo
dc.contributor.authorSand França, George
dc.coverage.spatialPerú
dc.date.accessioned2018-08-03T13:04:59Z
dc.date.available2018-08-03T13:04:59Z
dc.date.issued2017-07
dc.description.abstractWe propose a local magnitude scale (M L ) for Peru, based on the original Richter definition, using 210 seismic events between 2011 and 2014, recorded by 35 broadband stations of the National Seismic Network operated by the Geophysical Institute of Peru. In the solution model, we considered 1057 traces of maximum amplitude records on the vertical channel from simulated Wood-Anderson seismograms of shallow events (depths between 0 and 60 km) and hypocentral distances less than 600 km. The attenuation factor has been evaluated in terms of geometrical spreading and anelastic attenuation coefficients. The magnitude M L was defined as M L = L o g 10 A W A +1.5855L o g 10(R/100)+0.0008(R−100)+3±S, where, A W A is the displacement amplitude in millimeters (Wood-Anderson), R is the hypocentral distance (km), and S is the station correction. The results obtained for M L have good correlation with the m b , M s and M w values reported the ISC and NEIC. The anelastic attenuation curve obtained has a similar behavior to that other highly seismic regions. Station corrections were determined for all stations during the regression analysis resulting in values ranging between −0.97 and +0.73, suggesting a strong influence of local site effects on amplitude.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationCondori, C., Tavera, H., Sant’Anna, G., Peres, M., & Sand, G. (2017). Calibration of the local magnitude scale (ML) for Peru.==$Journal of Seismology, 21$==(4), 987–999. https://doi.org/10.1007/s10950-017-9647-3es_ES
dc.identifier.doihttps://doi.org/10.1007/s10950-017-9647-3es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalJournal of Seismologyes_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/2215
dc.language.isoenges_ES
dc.publisherSpringer Verlages_ES
dc.relation.ispartofurn:issn:1383-4649
dc.rightsinfo:eu-repo/semantics/closedAccesses_ES
dc.subjectLocal magnitudees_ES
dc.subjectWood-Andersones_ES
dc.subjectAttenuationes_ES
dc.subjectStation correctiones_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.00es_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.04es_ES
dc.titleCalibration of the local magnitude scale (ML) for Perues_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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