<?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>0012-7353</journal-id>
<journal-title><![CDATA[DYNA]]></journal-title>
<abbrev-journal-title><![CDATA[Dyna rev.fac.nac.minas]]></abbrev-journal-title>
<issn>0012-7353</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0012-73532022000100145</article-id>
<article-id pub-id-type="doi">10.15446/dyna.v89n220.96966</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Ambient seismic noise in Cuba: analysis of broadband seismic stations in the Cuban Seismic Network]]></article-title>
<article-title xml:lang="es"><![CDATA[Análisis del ruido sísmico en estaciones de banda ancha del Servicio Sismológico Nacional Cubano]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Poveda-Brossard]]></surname>
<given-names><![CDATA[Viana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Diez-Zaldivar]]></surname>
<given-names><![CDATA[Eduardo R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,National Center for Seismological Research  ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>89</volume>
<numero>220</numero>
<fpage>145</fpage>
<lpage>153</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0012-73532022000100145&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0012-73532022000100145&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0012-73532022000100145&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This paper analyses seismic noise from broadband seismic stations within the Cuban National Seismic Service, focusing on location sites, soil or rock quality at installation sites and the impact of various factors on the noise signature of these seismic stations. A brief technical description of deployed equipment is provided and the methodology for data selection and analysis is presented. The study provides annual performance assessment for each station, considering specific details for each particular case. Likewise, the effect of diurnal/nocturnal and seasonal variations on noise power spectral density (PSD) is analyzed. In addition, plotted graphs show the relationship between the occurrence of extreme weather events, such as hurricanes and cold fronts through Cuban eastern and western regions, respectively, and the increase of noise level, specifically for marine microseisms period band. Finally, the influence of instrumental variations in noise level of seismic stations is characterized.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este trabajo se analiza el ruido sísmico de las estaciones de banda ancha del Servicio Sísmico Nacional de Cuba, centrándose en los lugares de ubicación, la calidad del suelo o de la roca en los lugares de instalación y el impacto de diversos factores en los niveles de ruido de las mismas. Se proporciona una breve descripción técnica de los equipos desplegados y se presenta la metodología para la selección y el análisis de los datos. El estudio proporciona una evaluación del nivel de ruido anual de cada estación, teniendo en cuenta detalles específicos para cada caso concreto. Asimismo, se analiza el efecto de las variaciones diurnas/nocturnas y estacionales en la densidad espectral de potencia (PSD) del ruido. Además, en los gráficos se muestra la relación entre la ocurrencia de eventos meteorológicos extremos, como huracanes y frentes fríos por las regiones oriental y occidental de Cuba, respectivamente, y el incremento del nivel de ruido, específicamente para la banda de periodo de microseísmos marinos. Finalmente, se caracteriza la influencia de las variaciones instrumentales en el nivel de ruido de las estaciones sísmicas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[seismic noise]]></kwd>
<kwd lng="en"><![CDATA[power spectral density (PSD)]]></kwd>
<kwd lng="en"><![CDATA[probability density function (PDF)]]></kwd>
<kwd lng="es"><![CDATA[ruido sísmico]]></kwd>
<kwd lng="es"><![CDATA[densidad espectral de potencia (PSD)]]></kwd>
<kwd lng="es"><![CDATA[función de densidad de probabilidades (PDF)]]></kwd>
</kwd-group>
</article-meta>
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