<?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>S0016-71692022000200088</article-id>
<article-id pub-id-type="doi">10.22201/igeof.00167169p.2022.61.2.2054</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[New Insights into the Seismic Activity of Damascus Fault (Syria): A Quantitative Analysis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abdul-Wahed]]></surname>
<given-names><![CDATA[Mohamad Khir]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Atomic Energy Commission of Syria (AECS) Dept. of Geology ]]></institution>
<addr-line><![CDATA[Damascus ]]></addr-line>
<country>Syria</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>61</volume>
<numero>2</numero>
<fpage>88</fpage>
<lpage>99</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-71692022000200088&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-71692022000200088&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-71692022000200088&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Damascus fault is a remarkable reverse tectonic structure trending through Damascus city, and may possibly represent a significant seismic hazard to the city. In that respect, the present work examines the instrumental seismic activity and establishes an earthquake catalogue covering the period 1995-2012 for this important fault, aiming to identify its contribution to the regional seismic hazard. The quantitative analysis reveals Damascus fault is characterized by low magnitude earthquakes, which implies that the fault could be considered in quiescence status. The analysis exhibits that the b-value of Gutenberg-Richter relationship is estimated to be 0.90 using the least-squares method, which could be compatible with a thrust faulting, such as Damascus fault, regarding the published literature. Also, this value could be reasonable for further interpretations. In addition, the return periods of large earthquakes have been estimated to be very long by extrapolation of the established recurrence relationship. Moreover, the maximum regional earthquake magnitude has been estimated by Kijko&#8217;s procedure as maximum likelihood estimator. This procedure has predicted the maximum possible earthquake magnitude to be 4.2. Consequently, the seismic quiescence, observed at the present along Damascus fault, and the estimated long return period implies that a large earthquake could be still so far away.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La falla de Damasco es una estructura tectónica inversa notable que atraviesa la ciudad de Damasco; posiblemente representa un riesgo sísmico significativo para la ciudad. En ese sentido, el presente trabajo examina la actividad sísmica instrumental y establece un catálogo de terremotos que cubre el período de 1995 a 2012 para esta importante falla, lo anterior con el objetivo de identificar su contribución a la amenaza sísmica regional. El análisis cuantitativo revela que la falla de Damasco se caracteriza por sismos de baja magnitud, lo que implica que la falla podría considerarse en estado de reposo. Si se toma en cuenta la literatura publicaca, el análisis muestra que el valor &#8220;b&#8221; de la relación Gutenberg-Richter se estima en 0,90 al utilizar el método de mínimos cuadrados, lo cual podría ser compatible con una falla de cabalgamiento, como la falla de Damasco. Este valor podría ser razonable para futuras interpretaciones. Además, se ha estimado que los periodos de retorno de los grandes terremotos son muy largos por extrapolación de la relación de recurrencia establecida. La magnitud máxima del terremoto regional se ha estimado mediante el procedimiento de Kijko como estimador de máxima verosimilitud. Este procedimiento ha pronosticado que la magnitud máxima posible del terremoto es de 4,2. En consecuencia, la quiescencia sísmica, observada en la actualidad a lo largo de la falla de Damasco, y el largo período de retorno estimado implican que un gran terremoto podría estar aún muy lejos.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[falla de Damasco]]></kwd>
<kwd lng="es"><![CDATA[terremoto instrumental]]></kwd>
<kwd lng="es"><![CDATA[relación Gutenberg-Richter y Siria]]></kwd>
<kwd lng="en"><![CDATA[Damascus fault]]></kwd>
<kwd lng="en"><![CDATA[Instrumental Earthquake]]></kwd>
<kwd lng="en"><![CDATA[Gutenberg-Richter relationship and Syria]]></kwd>
</kwd-group>
</article-meta>
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