<?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>S0016-71692019000100007</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A vulnerability-based risk assessment of the threatened area surrounding Popocatépetl Volcano to support decision-making during a volcanic crisis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos Jiménez]]></surname>
<given-names><![CDATA[Esteban]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geofísica ]]></institution>
<addr-line><![CDATA[Tecámac ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>58</volume>
<numero>1</numero>
<fpage>7</fpage>
<lpage>32</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-71692019000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-71692019000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-71692019000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Popocatépetl Volcano, located in central Mexico, is surrounded by a densely populated region exceeding 20 million people. The activity of Popocatépetl in the past 5 centuries has been limited to several small to moderate eruptions, similar in style to the current eruptive episode (1994-present). However, since the destruction of an ancestral volcano 23 000 years B. P., Popocatépetl has produced eruptions ranging widely in size and style, including Plinian events and massive sector collapses. Many of the major eruptions have resulted in large volumes of tephra-fall deposits that typically extended at least 20 kilometers to the southeast, about 10 and 15 kilometers to the northeast, and 15 to 18 kilometers to the west. Moreover, some Plinian events have covered much larger areas with pumice-fall, pyroclastic flows and lahar deposits. Based on the present distribution of population and settlements, and considering the experience of evacuations carried out during peaks of the ongoing volcanic activity, in the present work a vulnerability-based risk assessment of the threatened area surrounding Popocatépetl Volcano has been developed. This assessment can provide additional information to support decision-making during the on going volcanic crisis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El volcán Popocatépetl, ubicado en la parte central de México, se encuentra rodeado por una región densamente poblada que excede los 20 millones de habitantes. Su actividad histórica de los últimos 500 años se ha limitado a varias erupciones de pequeñas a moderadas, análogas al episodio actual (1994 al presente). Sin embargo, desde la destrucción del cono ancestral hace unos 23 000 años B.P., el Popocatépetl ha dado lugar a una amplia gama de erupciones tanto en tamaño como en tipo, incluyendo eventos plinianos y colapsos masivos de sector. Muchas de de las erupciones mayores han dado lugar a grandes volúmenes de material de caída de tefra que se han extendido al menos unos 20 kilómetros hacia el sureste, entre 10 y 15 kilómetros al noreste y 15 a 18 kilómetros en el sector oeste. Sin embargo, la mayoría de los eventos plinianos cubrieron áreas más extensas con material de caída de pómez, flujos de piroclásticos y depósitos de lahar. Basados en la distribución actual de población y de los asentamientos humanos, y considerando la experiencia de evacuación efectuada durante los picos de actividad volcánica, en este trabajo se ha desarrollado una evaluación del riesgo basado en la vulnerabilidad de las áreas amenazadas alrededor del Popocatépetl, con la finalidad de apoyar la toma de decisiones ante una potencial crisis volcánica.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Popocatépetl]]></kwd>
<kwd lng="es"><![CDATA[volcán]]></kwd>
<kwd lng="es"><![CDATA[crisis]]></kwd>
<kwd lng="es"><![CDATA[riesgo]]></kwd>
<kwd lng="es"><![CDATA[evaluación]]></kwd>
<kwd lng="es"><![CDATA[decisiones]]></kwd>
<kwd lng="en"><![CDATA[Popocatépetl]]></kwd>
<kwd lng="en"><![CDATA[volcano]]></kwd>
<kwd lng="en"><![CDATA[crisis]]></kwd>
<kwd lng="en"><![CDATA[risk]]></kwd>
<kwd lng="en"><![CDATA[assessment]]></kwd>
<kwd lng="en"><![CDATA[decisions]]></kwd>
</kwd-group>
</article-meta>
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