<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0016-7169</journal-id>
<journal-title><![CDATA[Geofísica internacional]]></journal-title>
<abbrev-journal-title><![CDATA[Geofís. Intl]]></abbrev-journal-title>
<issn>0016-7169</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Geofísica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-71692016000200095</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Relocation and seismotectonic interpretation of the seismic swarm of August - December of 2012 in the Linares area, northeastern Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Arredondo]]></surname>
<given-names><![CDATA[Carmen M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montalvo-Arrieta]]></surname>
<given-names><![CDATA[Juan C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Iglesias-Mendoza]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espindola-Castro]]></surname>
<given-names><![CDATA[Víctor H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias de la Tierra ]]></institution>
<addr-line><![CDATA[Linares N.L.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias de la Tierra ]]></institution>
<addr-line><![CDATA[Linares N.L.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geofísica Departamento de Sismología]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Universidad Nacional Autónoma de México Servicio Sismológico Nacional ]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>55</volume>
<numero>2</numero>
<fpage>95</fpage>
<lpage>106</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-71692016000200095&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-71692016000200095&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-71692016000200095&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract We relocated 52 events of 2.5 &#8804; Mc &#8804; 3.6 from a seismic sequence of over 250 events that occurred during July-December 2012 southwest of the Linares area, northeastern Mexico. To examine this swarm four seismic stations were installed in the region and operated during different time periods from September to December. Relocation of the swarm showed that the earthquake hypocentral depths were at 8 (±5) km, and the time residuals had values &#8804; 0.38 s. The fault plane solutions were generated for individual earthquakes and through the use of the composite mechanism technique. The focal mechanism solutions show pure reverse faulting; the SW dipping NNW - SSE trending nodal plane is the inferred fault plane (strike ~150 ° , dip ~50 ° and rake ~67°), which reveals that maximum horizontal stress (SHmax &gt; Shmin &gt; Sv) predominates in the area.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este trabajo relocalizamos 52 sismos en el rango de 2.5 &#8804; Mc &#8804; 3.6 de una secuencia sísmica de más de 250 eventos que ocurrió al suroeste de la ciudad de Linares, N.L., durante los meses de julio - diciembre de 2012, en el noreste de México. Para estudiar este enjambre se instalaron cuatro estaciones sismológicas en la región de interés, las cuales operaron durante diferentes periodos entre septiembre y diciembre. La relocalización de la secuencia demostró que las profundidades hipocentrales fueron de 8 (±5) km, y los residuales de los tiempos de arribo tuvieron valores &#8804; 0.38 s. Se generaron soluciones del plano de falla para sismos individuales, así como a través de la técnica de mecanismos compuestos. La solución de los mecanismos focales encontrada corresponde con fallamiento inverso con rumbo NNW-SSE y buzamiento hacia el SW para el plano nodal inferido (rumbo ~150°, buzamiento ~50° y ángulo de deslizamiento ~67°), el cual revela que el esfuerzo horizontal máximo predomina en el área de estudio (SHmax &gt; Shmin &gt; Sv).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Esfuerzo horizontal máximo]]></kwd>
<kwd lng="es"><![CDATA[estado de fuerza actual]]></kwd>
<kwd lng="es"><![CDATA[mecaniusmo focal]]></kwd>
<kwd lng="es"><![CDATA[Sierra Madre Oriental]]></kwd>
<kwd lng="es"><![CDATA[sismicidad intraplaca]]></kwd>
<kwd lng="en"><![CDATA[Maximum horizontal stress]]></kwd>
<kwd lng="en"><![CDATA[current stress field]]></kwd>
<kwd lng="en"><![CDATA[focal mechanism]]></kwd>
<kwd lng="en"><![CDATA[Sierra Madre Oriental]]></kwd>
<kwd lng="en"><![CDATA[intraplate seismicity]]></kwd>
</kwd-group>
</article-meta>
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