<?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>0120-0283</journal-id>
<journal-title><![CDATA[Boletín de Geología]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. geol.]]></abbrev-journal-title>
<issn>0120-0283</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-02832021000300165</article-id>
<article-id pub-id-type="doi">10.18273/revbol.v43n3-2021008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Sismo de San Gabriel, 27 de julio de 2018 (Ml 4,6): análisis de los parámetros de la fuente sísmica y del contexto sísmico de la región suroeste del Valle Central, Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[San Gabriel earthquake, July 27, 2018 (Ml 4.6): seismic source parameters and the seismic context of the southwestern region of the Central Valley of Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos-Durán]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quintero-Quintero]]></surname>
<given-names><![CDATA[Ronnie]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Segura-Torres]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Costa Rica Escuela de Ciencias Geográficas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Costa Rica Observatorio Vulcanológico y Sismológico de Costa Rica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>43</volume>
<numero>3</numero>
<fpage>165</fpage>
<lpage>178</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-02832021000300165&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-02832021000300165&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-02832021000300165&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se caracterizan y analizan los parámetros de la fuente sísmica del sismo ocurrido el 27 de julio de 2018 a las 17:50:46 (hora UTC) en San Gabriel de Aserrí (latitud 9,788, longitud -84,101). Este tuvo una profundidad de 15 km y magnitud Ml 4,6. La distribución de la sismicidad localizada y solución de mecanismo focal (MF) indican que probablemente el evento ocurrió en una falla de corrimiento lateral derecho, con componente normal pequeña y rumbo NNW, alto ángulo de buzamiento ~77° e inclinación hacia el NE (strike 326°/dip 77°/rake -165°). Este MF concuerda con otros localizados en el área, el cual evidencia deformación transtensional en el antearco central del país, conocido como el Cinturón Deformado del Centro de Costa Rica (CDCCR). Registros de aceleración en las estaciones sísmicas (%g), permitieron identificar en la escala de Intensidad Modificada de Mercalli (IMM) intensidades instrumentales máximas de IV en comunidades como San Gabriel de Aserrí, San Pablo de León Cortés y San Marcos de Tarrazú.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this research the seismic source parameters of the earthquake that occurred on July 27, 2018, at 17:50:46 (UTC time) in San Gabriel de Aserrí (latitude 9.788, longitude -84.101) are characterized and analyzed. The parameters show that the event had a depth of 15 km and Ml 4.6. The distribution of localized seismicity and a focal mechanism solution indicates that it probably occurred on a right-lateral strike-slip fault with a small normal component, strike NNW, high dip angle ~77°, dipping to the NE (strike 326 ° /dip 77 ° /slip -165°). The focal mechanism is consistent with those of previous seismicity located in the area and they indicate transtensional deformation in the central forearc of the country, known as the Central Costa Rica Deformed Belt. The instrumental intensities, obtained from the acceleration (% g) recorded in the seismic stations, allowed to identify in the Modified Mercalli Intensity scale (MMI) maximum instrumental intensities of IV in communities such as San Gabriel de Aserrí, San Pablo de León Cortés, and San Marcos de Tarrazú.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Costa Rica]]></kwd>
<kwd lng="es"><![CDATA[Sismo de San Gabriel]]></kwd>
<kwd lng="es"><![CDATA[Tensor de momento]]></kwd>
<kwd lng="es"><![CDATA[Réplicas]]></kwd>
<kwd lng="en"><![CDATA[Costa Rica]]></kwd>
<kwd lng="en"><![CDATA[San Gabriel earthquake]]></kwd>
<kwd lng="en"><![CDATA[Moment tensor]]></kwd>
<kwd lng="en"><![CDATA[Aftershocks]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Denyer]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aspectos neotectónicos y geológicos de Puriscal y alrededores, Costa Rica]]></article-title>
<source><![CDATA[Revista Geológica de América Central]]></source>
<year>1991</year>
<volume>12</volume>
<page-range>83-95</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barquero]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Climent]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[El temblor del 26 de febrero de 1989: Informe sismológico y análisis preliminar de acelerogramas de la presa San Miguel]]></source>
<year>1989</year>
<publisher-name><![CDATA[Instituto Costarricense de Electricidad]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Campos-Durán]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Quintero-Quintero]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intensidades macrosísmicas del sismo de Capellades del 30 de noviembre de 2016 (Mw = 5,4) y el contexto sísmico de la región central de Costa Rica]]></article-title>
<source><![CDATA[Boletín de Geología]]></source>
<year>2020</year>
<volume>42</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>57-68</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carvalho]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Barros]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Zahradnik]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Inversion for focal mechanisms using waveform envelopes and inaccurate velocity models: Examples from Brazil]]></article-title>
<source><![CDATA[Bulletin of the Seismological Society of America]]></source>
<year>2019</year>
<volume>109</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>138-51</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ci Neo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Yao]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Wei]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Is the aftershock zone area a Good Proxy for the Mainshock Rupture Area?]]></article-title>
<source><![CDATA[Bulletin of the Seismological Society of America]]></source>
<year>2021</year>
<volume>111</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>424-38</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Denyer]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado]]></surname>
<given-names><![CDATA[G.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Atlas Tectónico de Costa Rica]]></source>
<year>2009</year>
<publisher-name><![CDATA[Editorial Universidad de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fan]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Pavlis]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Tuncay]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[GCLgrid: A three-dimensional geographical curvilinear grid library for computational seismology]]></article-title>
<source><![CDATA[Computers &amp; Geosciences]]></source>
<year>2006</year>
<volume>32</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>371-81</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Amenaza sísmica y tsunamis en el territorio de Costa Rica]]></source>
<year>2001</year>
<publisher-name><![CDATA[Editorial Universidad de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="">
<collab>GCMT</collab>
<source><![CDATA[Global CMT Catalog Search. Global Centroid Moment Tensor]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Güendel]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Secuencia sísmica de El Alto del Aguacate, febrero y marzo de 1989]]></source>
<year>1989</year>
<publisher-name><![CDATA[OVSICORI- UNA, Catálogo de Temblores 1989, 155161]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Havskov]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ottemoller]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[SeisAn Earthquake analysis software]]></article-title>
<source><![CDATA[Seismological Research Letters]]></source>
<year>1999</year>
<volume>70</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>532-4</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kobayashi]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[LaFemina]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Geirsson]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Chichaco]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Abrego]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mora]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Camacho]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Kinematics of the western Caribbean: Collision of the Cocos Ridge and upper plate deformation]]></article-title>
<source><![CDATA[Geochemistry, Geophysics, Geosystems]]></source>
<year>2014</year>
<volume>15</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1671-83</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lewis]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Boozer]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Collision versus sliver transport in the hanging wall at the Middle America subduction zone: Constraints from background seismicity in central Costa Rica]]></article-title>
<source><![CDATA[Geochemistry, Geophysics, Geosystems]]></source>
<year>2008</year>
<volume>9</volume>
<numero>7</numero>
<issue>7</issue>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Andersonian and Coulomb stresses in Central Costa Rica and its fault slip tendency potential: new insights into their associated seismic hazard]]></article-title>
<source><![CDATA[Geological Society, London, Special Publications]]></source>
<year>2012</year>
<volume>367</volume>
<page-range>19-38</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marshall]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fisher]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gardner]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Central Costa Rica deformed belt: kinematics of diffuse faulting across the western Panama block]]></article-title>
<source><![CDATA[Tectonics]]></source>
<year>2000</year>
<volume>19</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>468-92</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado]]></surname>
<given-names><![CDATA[G.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El terremoto de Patillos del 30 de diciembre de 1952 (Ms= 5,9) y el contexto neotectónico de la región del volcán Irazú, Costa Rica]]></article-title>
<source><![CDATA[Revista Geológica de América Central]]></source>
<year>1995</year>
<volume>18</volume>
<page-range>25-42</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El terremoto del 4 de marzo de 1924 (Ms 7,0): ¿Un gran temblor intraplaca relacionado al límite incipiente entre la placa Caribe y la microplaca Panamá?]]></article-title>
<source><![CDATA[Revista Geológica de América Central]]></source>
<year>1999</year>
<volume>22</volume>
<page-range>25-62</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las fallas Purires y Picagres, y su relación con la secuencia sísmica del Puriscal de 1990]]></article-title>
<source><![CDATA[Revista Geológica de América Central]]></source>
<year>2014</year>
<volume>50</volume>
<page-range>39-69</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Linkimer]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El sistema de Fallas Navarro: desplazamientos izquierdos a lo largo del cinturón deformado del centro de Costa Rica]]></article-title>
<source><![CDATA[Revista Geológica de América Central]]></source>
<year>2016</year>
<volume>55</volume>
<page-range>71-100</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Norabuena]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Dixon]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Schwartz]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[DeShon]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Newman]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Protti]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Doramn]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Flueh]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Lundgren]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Pollitz]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Sampson]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Geodetic and seismic constraints on some seismogenic zone processes in Costa Rica]]></article-title>
<source><![CDATA[Journal of Geophysical Research: Solid Earth]]></source>
<year>2004</year>
<volume>109</volume>
<numero>B11</numero>
<issue>B11</issue>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pacheco]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Quintero]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Vega]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Segura]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Mw 6.4 Damas, Costa Rica, earthquake of 20 November 2004: Aftershocks and slip distribution]]></article-title>
<source><![CDATA[Bulletin of the Seismological Society of America]]></source>
<year>2006</year>
<volume>96</volume>
<numero>4A</numero>
<issue>4A</issue>
<page-range>1332-43</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Lindholm]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Bungum]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Boschini]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Climent]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Barquero]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Soto]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Montero]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Protti]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Moya]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Esquivel]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Seismic hazard analysis for the Metropolitan Area of the Central Valley, Costa Rica]]></source>
<year>1998</year>
<publisher-loc><![CDATA[Norway ]]></publisher-loc>
<publisher-name><![CDATA[NORSAR]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<collab>RSN-UCR.</collab>
<source><![CDATA[Informe del sismo 7 de agosto del 2014, 2:50 am., Mag: 4,6 Mw, SENTIDO]]></source>
<year>2014</year>
<publisher-name><![CDATA[Red Sismológica Nacional de la Universidad de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<collab>RSN-UCR</collab>
<source><![CDATA[Terremoto de Frailes, 9 de agosto de 1991]]></source>
<year>2015</year>
<publisher-name><![CDATA[Red sismológica Nacional de la Universidad de Costa Rica]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shimazaki]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Small and large earthquakes: The effects of the thickness of seismogenic layer and the free surface]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Das]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Boatwright]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Scholz]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Earthquake Source Mechanics]]></source>
<year>1986</year>
<volume>37</volume>
<page-range>209-16</page-range><publisher-name><![CDATA[American Geophysical Union]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sokos]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Zahradnik]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[ISOLA a Fortran code and a Matlab GUI to perform multiple-point source inversion of seismic data]]></article-title>
<source><![CDATA[Computers and Geosciences]]></source>
<year>2008</year>
<volume>34</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>967-77</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sokos]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Zahradnik]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluating centroid-moment-tensor uncertainty in the new version of ISOLA software]]></article-title>
<source><![CDATA[Seismological Research Letters]]></source>
<year>2013</year>
<volume>84</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>656-65</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quintero-Quintero]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Porras-Espinoza]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recurrencia de sismos en el Valle Central de Costa Rica]]></article-title>
<source><![CDATA[Revista Geográfica de América Central]]></source>
<year>2018</year>
<volume>4</volume>
<numero>61E</numero>
<issue>61E</issue>
<page-range>63-80</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quintero]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Kissling]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An improved P-wave velocity reference model for Costa Rica]]></article-title>
<source><![CDATA[Geofísica Internacional]]></source>
<year>2001</year>
<volume>40</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>3-19</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="">
<collab>UNAVCO</collab>
<source><![CDATA[Plate Motion Calculator]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wald]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Worden]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Quitoriano]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Pankow]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[ShakeMap manual: technical manual, user&#8217;s guide, and software guide]]></source>
<year>2006</year>
<publisher-name><![CDATA[U.S. Geological Survey]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wells]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Coppersmith]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New empirical relationship among magnitude, rupture length, rupture width, rupture area, and surface displacement]]></article-title>
<source><![CDATA[Bulletin of the Seismological Society of America]]></source>
<year>1994</year>
<volume>84</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>974-1002</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wessel]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Luis]]></surname>
<given-names><![CDATA[J.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Uieda]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Scharroo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Wobbe]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[W.H.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Tian]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Generic Mapping Tools version 6]]></article-title>
<source><![CDATA[Geochemistry, Geophysics, Geosystems]]></source>
<year>2019</year>
<volume>20</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>5556-64</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zahradnik]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sokos]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fitting waveform envelopes to derive focal mechanisms of moderate earthquakes]]></article-title>
<source><![CDATA[Seismological Research Letters]]></source>
<year>2018</year>
<volume>89</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1137-45</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zimmermann]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Earthquake Focal Mechanism. Wolfram Demonstrations Project]]></source>
<year>2009</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
