<?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>S0016-71692022000400267</article-id>
<article-id pub-id-type="doi">10.22201/igeof.00167169p.2022.61.4.2028</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Intense Geomagnetic Storms in The Maximum Phase of Solar Cycle 24 Observed From a Low-Latitude Ground Station]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lazzús]]></surname>
<given-names><![CDATA[Juan A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salfate]]></surname>
<given-names><![CDATA[Ignacio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vega-Jorquera]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de La Serena Departamento de Física ]]></institution>
<addr-line><![CDATA[La Serena ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de La Serena Instituto de Investigación Multidisciplinario en Ciencias y Tecnología ]]></institution>
<addr-line><![CDATA[La Serena ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>61</volume>
<numero>4</numero>
<fpage>267</fpage>
<lpage>286</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-71692022000400267&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-71692022000400267&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-71692022000400267&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Due to the complexities of magnetospheric research, the installation and management of new magnetic ground stations according to modern standards is crucial for monitoring magnetospheric disturbances and related phenomena. In response to the development of new in situ tools and ground-based data sets that support these studies, data generated by La Serena low-latitude magnetic ground station (at geographic coordinates: -29.827, -71.261; and magnetic coordinates: -16.55, 0.17) to describe intense geomagnetic storms were evaluated. This station in the city of La Serena (Chile), is supported by the University of La Serena's Laboratory for Space and Atmospheric Physics (LAFESAT). With these data, we studied the five most intense geomagnetic storms (Dst&lt;-100 nT) occurring during the maximum phase of solar cycle 24 (from 2014 to early 2016). Results show that the H component variations of the La Serena station measurements consistent with the Dst index variations reported for each storm analyzed, obtaining correlation coefficient values of up to 0.97 for storms with Dst&lt;-200 nT. Also, our results are consistent with the strong influence of the magnetospheric/ionospheric current systems over the H component during an intense geomagnetic storm.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Debido a las complejidades de la investigación magnetosférica, la instalación y gestión de nuevas estaciones terrestres magnéticas de acuerdo con los estándares modernos es crucial para monitorear las perturbaciones magnetosféricas y los fenómenos relacionados. En respuesta al desarrollo de nuevas herramientas in situ y conjuntos de datos tomados en tierra que respalden estos estudios, se evaluaron los datos generados por la estación terrestre magnética de baja latitud de La Serena (en las coordenadas geográficas: -29.827, -71.261; y coordenadas magnéticas: -16.55, 0.17) para describir tormentas geomagnéticas intensas. Esta estación en la ciudad de La Serena (Chile), es dependiente del Laboratorio de Física Espacial y Atmosférica de la Universidad de La Serena (LAFESAT). Con estos datos, estudiamos las cinco tormentas geomagnéticas más intensas (Dst &lt;-100 nT) ocurridas durante la fase máxima del ciclo solar 24 (desde 2014 hasta principios de 2016). Los resultados muestran que las variaciones de la componente H de las mediciones de la estación La Serena son consistentes con las variaciones del índice Dst reportadas para cada tormenta analizada, obteniendo valores de coeficiente de correlación de hasta 0.97 para tormentas con Dst &lt;-200 nT. Además, nuestros resultados son consistentes con la fuerte influencia que tienen de los sistemas de corriente magnetosférica/ionosférica sobre el componente H durante una intensa tormenta geomagnética.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Magnetic Observatory]]></kwd>
<kwd lng="en"><![CDATA[Geomagnetic field components]]></kwd>
<kwd lng="en"><![CDATA[Solar cycle 24]]></kwd>
<kwd lng="en"><![CDATA[St. Patrick's Day geomagnetic storm]]></kwd>
<kwd lng="en"><![CDATA[Dst index]]></kwd>
<kwd lng="es"><![CDATA[Observatorio magnético]]></kwd>
<kwd lng="es"><![CDATA[Componentes del campo geomagnético]]></kwd>
<kwd lng="es"><![CDATA[Ciclo solar 24]]></kwd>
<kwd lng="es"><![CDATA[Tormenta geomagnética del Día de San Patricio]]></kwd>
<kwd lng="es"><![CDATA[Indice Dst]]></kwd>
</kwd-group>
</article-meta>
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