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dc.contributor.author Weber, John C.
dc.contributor.author Geirsson, Halldor
dc.contributor.author Latchman, Joan L.
dc.contributor.author Shaw, Kenton
dc.contributor.author La Femina, Peter
dc.contributor.author Wdowinski, Shimon
dc.contributor.author Higgins, Machel
dc.contributor.author Churches, Christopher
dc.contributor.author Norabuena Ortiz, Edmundo
dc.coverage.spatial Tobago
dc.date.accessioned 2018-09-10T19:53:37Z
dc.date.available 2018-09-10T19:53:37Z
dc.date.issued 2015-06
dc.identifier.citation Weber, J. C., Geirsson, H., Latchman, J. L., Shaw, K., La Femina, P., Wdowinski, S., ... Norabuena, E. (2015). Tectonic inversion in the Caribbean-South American plate boundary: GPS geodesy, seismology, and tectonics of the Mw 6.7 22 April 1997 Tobago earthquake.==$Tectonics, 34$==(6), 1181-1194. https://doi.org/10.1002/2014TC003665 es_ES
dc.identifier.govdoc index-oti2018
dc.identifier.uri http://hdl.handle.net/20.500.12816/2900
dc.description.abstract On 22 April 1997 the largest earthquake recorded in the Trinidad‐Tobago segment of the Caribbean‐South American plate boundary zone (Mw 6.7) ruptured a shallow (~9 km), ENE striking (~250° azimuth), shallowly dipping (~28°) dextral‐normal fault ~10 km south of Tobago. In this study, we describe this earthquake and related foreshock and aftershock seismicity, derive coseismic offsets using GPS data, and model the fault plane and magnitude of slip for this earthquake. Coseismic slip estimated at our episodic GPS sites indicates movement of Tobago 135 ± 6 to 68 ± 6 mm NNE and subsidence of 7 ± 9 to 0 mm. This earthquake was anomalous and is of interest because (1) its large component of normal slip and ENE strike are unexpected given the active E‐W dextral shearing across the Caribbean‐South American plate boundary zone, (2) it ruptured a normal fault plane with a low (~28°) dip angle, and (3) it reactivated and inverted the preexisting Tobago terrrane‐South America ocean‐continent (thrust) boundary that formed during early Tertiary oblique plate convergence. es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Geophysical Union es_ES
dc.relation.ispartof urn:issn:0278-7407
dc.rights info:eu-repo/semantics/openAccess es_ES
dc.rights.uri https://creativecommons.org/licences/by/4.0/ es_ES
dc.subject Plate tectonics es_ES
dc.subject Inversion tectonics es_ES
dc.subject GPS geodesy es_ES
dc.subject Caribbean es_ES
dc.subject Seismology es_ES
dc.title Tectonic inversion in the Caribbean-South American plate boundary: GPS geodesy, seismology, and tectonics of the Mw 6.7 22 April 1997 Tobago earthquake es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.00 es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.04 es_ES
dc.subject.ocde http://purl.org/pe-repo/ocde/ford#1.05.06 es_ES
dc.identifier.journal Tectonics es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi https://doi.org/10.1002/2014TC003665 es_ES

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