Loreto intermediate depth earthquake of 26 May 2019 (Northeast Peru): source parameters by inversion of local to regional waveforms and strong‐motion observations

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dc.contributor.authorTavera, Hernando
dc.contributor.authorDelouis, Bertrand
dc.contributor.authorMercado, Arturo
dc.contributor.authorPortugal, David
dc.coverage.spatialLoreto
dc.coverage.spatialPerú
dc.date.accessioned2021-07-27T12:30:36Z
dc.date.available2021-07-27T12:30:36Z
dc.date.issued2021-07-07
dc.description.abstractThe Loreto earthquake of 26 May 2019 occurred below the extreme northeast part of Peru at a depth of 140 km within the subducting Nazca plate at a distance of 700 km from the trench Peru–Chile. The orientation of the seismic source was obtained from waveform inversion in the near field using velocity and strong‐motion data. The rupture occurred in normal faulting corresponding to a tensional process with T axis oriented in east west direction similar to the direction of convergence between the Nazca and South America plates. The analysis of the strong‐motion data shows that the levels of ground shaking are very heterogeneous with values greater than 50 Gal up to distances of 300 km; the maximum recorded acceleration of 122 Gal at a distance of 100 km from the epicenter. The Loreto earthquake is classified as a large extensional event in the descending Nazca slab in the transition from flat‐slab geometry to greater dip.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationTavera, H., Delouis, B., Mercado, A., & Portugal, D. (2021). Loreto intermediate depth earthquake of 26 May 2019 (Northeast Peru): source parameters by inversion of local to regional waveforms and strong‐motion observations.==$Seismological Research Letters, 92$==(6), 3349–3359. https://doi.org/10.1785/0220200459es_ES
dc.identifier.doihttps://doi.org/10.1785/0220200459es_ES
dc.identifier.govdocindex-oti2018
dc.identifier.journalSeismological Research Letterses_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/4984
dc.language.isoenges_ES
dc.publisherSeismological Society of Americaes_ES
dc.relation.ispartofurn:issn:0895-0695
dc.rightsinfo:eu-repo/semantics/closedAccesses_ES
dc.subjectEarthquakeses_ES
dc.subjectSeismicityes_ES
dc.subjectStrong-motion databasees_ES
dc.subjectSeismologyes_ES
dc.subject.ocdehttps://purl.org/pe-repo/ocde/ford#1.05.04es_ES
dc.titleLoreto intermediate depth earthquake of 26 May 2019 (Northeast Peru): source parameters by inversion of local to regional waveforms and strong‐motion observationses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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