https://m2.mtmt.hu/ hun 2026-09-21 13:25 JournalArticle 31564077 VALIDATED true Funding Agency and Grant Number: ELKH Research Centre for Astronomy and Earth Sciences Funding text: Open access funding provided by ELKH Research Centre for Astronomy and Earth Sciences. Geodetic and Geophysical Institute, Research Centre for Astronomy and Earth Sciences, Csatkai E. u. 6-8., Sopron, 9400, Hungary Department of Geophysics and Space Science, Institute of Geography and Earth Sciences, Eötvös Loránd University, Pázmány Péter sétány 1/C, Budapest, 1117, Hungary Export Date: 16 February 2021 Correspondence Address: Wéber, Z.; Geodetic and Geophysical Institute, Csatkai E. u. 6-8., Hungary; email: weber@seismology.hu Funding details: Nemzeti Kutatási, Fejlesztési és Innovaciós Alap, NKFIA, K128152, K124241, 2018-1.2.1-NKP-2018-00007 Funding text 1: The reported investigation was financially supported by the National Research, Development and Innovation Fund (K124241, K128152, and 2018-1.2.1-NKP-2018-00007). We thank Jan Šilený (Institute of Geophysics, Czech Academy of Sciences, Prague) for making various suggestions, which have helped us in improving this paper. The authors would like to thank Zoltán Gráczer for downloading the waveform data and picking phase arrivals. We are also grateful to all members of the AlpArray Seismic Network Team: György HETÉNYI, Rafael ABREU, Ivo ALLEGRETTI, Maria-Theresia APOLONER, Coralie AUBERT, Simon BESANÇON, Maxime BÈS DE BERC, Götz BOKELMANN, Didier BRUNEL, Marco CAPELLO, Martina C̆ARMAN, Adriano CAVALIERE, Jérôme CHÈZE, Claudio CHIARABBA, John CLINTON, Glenn COUGOULAT, Wayne C. CRAWFORD, Luigia CRISTIANO, Tibor CZIFRA, Ezio D’ALEMA, Stefania DANESI, Romuald DANIEL, Anke DANNOWSKI, Iva DASOVIĆ, Anne DESCHAMPS, Jean-Xavier DESSA, Cécile DOUBRE, Sven EGDORF, ETHZ-SED Electronics Lab, Tomislav FIKET, Kasper FISCHER, Wolfgang FRIEDERICH, Florian FUCHS, Sigward FUNKE, Domenico GIARDINI, Aladino GOVONI, Zoltán GRÁCZER, Gidera GRÖSCHL, Stefan HEIMERS, Ben HEIT, Davorka HERAK, Marijan HERAK, Johann HUBER, Dejan JARIĆ, Petr JEDLIC̆KA, Yan JIA, Hélène JUND, Edi KISSLING, Stefan KLINGEN, Bernhard KLOTZ, Petr KOLÍNSKÝ, Heidrun KOPP, Michael KORN, Josef KOTEK, Lothar KÜHNE, Krešo KUK, Dietrich LANGE, Jürgen LOOS, Sara LOVATI, Deny MALENGROS, Lucia MARGHERITI, Christophe MARON, Xavier MARTIN, Marco MASSA, Francesco MAZZARINI, Thomas MEIER, Laurent MÉTRAL, Irene MOLINARI, Milena MORETTI, Anna NARDI, Jurij PAHOR, Anne PAUL, Catherine PÉQUEGNAT, Daniel PETERSEN, Damiano PESARESI, Davide PICCININI, Claudia PIROMALLO, Thomas PLENEFISCH, Jaroslava PLOMEROVÁ, Silvia PONDRELLI, Snježan PREVOLNIK, Roman RACINE, Marc RÉGNIER, Miriam REISS, Joachim RITTER, Georg RÜMPKER, Simone SALIMBENI, Marco SANTULIN, Werner SCHERER, Sven SCHIPPKUS, Detlef SCHULTE-KORTNACK, Vesna ŠIPKA, Stefano SOLARINO, Daniele SPALLAROSSA, Kathrin SPIEKER, Josip STIPC̆EVIĆ, Angelo STROLLO, Bálint SÜLE, Gyöngyvér SZANYI, Eszter SZŰCS, Christine THOMAS, Martin THORWART, Frederik TILMANN, Stefan UEDING, Massimiliano VALLOCCHIA, Luděk VECSEY, René VOIGT, Joachim WASSERMANN, Zoltán WÉBER, Christian WEIDLE, Viktor WESZTERGOM, Gauthier WEYLAND, Stefan WIEMER, Felix WOLF, David WOLYNIEC, Thomas ZIEKE, Mladen ŽIVC̆IĆ, Helena ŽLEBC̆ÍKOVÁ. More information on AlpArray can be found at www.alparray.ethz.ch . We acknowledge the operation of the seismic networks used in this study: AC - Albanian Seismological Network (doi: 10.7914/SN/AC), Institute of Geosciences, Energy, Water and Environment, Albania; BW - BayernNetz (doi: 10.7914/SN/BW), Department of Earth and Environmental Sciences, Geophysical Observatory, University of Munchen, Germany; CR - Croatian Seismograph Network, University of Zagreb, Croatia; CZ - Czech Regional Seismic Network (doi: 10.7914/SN/CZ), Institute of Geophysics, Academy of Sciences of the Czech Republic, Czech Republic; GE - GEOFON Seismic Network (doi: 10.14470/TR560404 ), Deutsches GeoForschungsZentrum, Germany; GR - German Regional Seismic Network (doi: 10.25928/MBX6-HR74), Federal Institute for Geosciences and Natural Resources, Germany; HU - Hungarian National Seismological Network (doi:10.14470/UH028726), CSFK GGI KRSZO, Hungary; IV - Italian National Seismic Network (doi: 10.13127/SD/X0FXNH7QFY), Istituto Nazionale di Geofisica e Vulcanologia, Italy; ME - Montenegrin Seismic Network (doi: 10.7914/SN/ME), Sector for Seismology, Institute of Hydrometeorology and Seismology of Montenegro, Montenegro; MN - Mediterranean Very Broadband Seismographic Network (doi: 10.13127/SD/FBBBTDTD6Q), MedNet Project Partner Institutions; NI - North-East Italy Broadband Network (doi: 10.7914/SN/NI), Istituto Nazionale di Oceanografia e di Geofisica Sperimentale and University of Trieste, Italy; OE - Austrian Seismic Network (doi: 10.7914/SN/OE), Central Institute for Meteorology and Geodynamics, Austria; OX - North-East Italy Seismic Network (doi: 10.7914/SN/OX), Istituto Nazionale di Oceanografia e di Geofisica Sperimentale, Italy; PL - Polish Seismological Network, Polish Academy of Sciences, Poland; RO - Romanian Seismic Network (doi: 10.7914/SN/RO), National Institute for Earth Physics, Romania; SI - Sudtirol Network, Istituto Nazionale di Geofisica e Vulcanologia, Italy; SJ - Serbian Seismological Network, Seismological Survey of Serbia, Serbia; SK - National Network of Seismic Stations of Slovakia (doi: 10.14470/FX099882), Earth Science Institute of the Slovak Academy of Sciences, Slovakia; SL - Seismic Network of the Republic of Slovenia (doi: 10.7914/SN/SL), Slovenian Environment Agency, Slovenia; ST - Trentino Seismic Network (doi: 10.7914/SN/ST), Geological Survey-Provincia Autonoma di Trento, Italy; UA - Carpathian seismological Network of Ukraine, Carpathian Branch of the Institute of Geophysics, National Academy of Sciences of Ukraine, Ukraine; Z3 - AlpArray Seismic Network (doi: 10.12686/ALPARRAY/Z3_2015), AlpArray Working Group. Most of the data have been obtained through the European Integrated Data Archive which is available at https://www.orfeus-eu.org/data/eida/ . The synthetic Green’s functions were computed using the computer program hspec96, version 3.3, developed by Robert Herrmann, Department of Earth and Atmospheric Sciences, Saint Louis University. This program is contained in Computer Programs in Seismology, a software package available at http://www.eas.slu.edu/eqc/eqccps.html . Earthquake locations were estimated using the hypoDD sofware package available at https://www.usgs.gov/software/hypodd . Figures were prepared using the Generic Mapping Tools software, version 4.5.8 (Wessel and Smith ). All websites were last accessed in January 2020. 0 false 2026-05-20T05:37:37.960+0000 2023-10-22T15:45:31.087+0000 2020-09-03T06:51:34.673+0000 true 10019782 Csámer Iván /api/admin/10019782 Admin true 10019782 2023-10-22T15:45:49.314+0000 2023-10-22T15:45:49.314+0000 2023-10-22T15:45:31.758+0000 true 10014562 Temesvári Katalin /api/admin/10014562 Admin true 10014562 true false true 24 24 /api/publicationtype/24 PublicationType 1 true 24 JournalArticle true 10000359 Study Group true 24 24 /api/publicationtype/24 PublicationType 1 true 24 JournalArticle /api/subtype/10000359 Sokszerzős vagy csoportos szerzőségű szakcikk SubType 104 true 10000359 true 1 /api/category/1 Category true 1 Weber, Z Source analysis of the March 7, 2019 M-L=4.0 Somogyszob, Hungary earthquake sequence true true /api/journal/10029081 REVIEWED true false 10029081 false 10029081 true 2213-5812 2213-5820 Journal FOREIGN 55 3 371 387 371 17 2020 Between February 16 and April 5, 2019, a series of earthquakes took place around the village of Somogyszob, Somogy county, Hungary. The mainshock occurred on March 7 with a local magnitude M-L=4.0 and epicentral intensity of 5 on the EMS scale. The main event was preceded by four foreshocks and followed by four aftershocks. The largest foreshock (M-L=2.6) was also felt with maximum intensity of 4 EMS. This earthquake sequence is the first remarkable one in the region that was recorded by a significant number of high-quality broadband digital seismographs. We have estimated the hypocenters of the 9 earthquakes using the hypoDD multiple-event location algorithm. The events occurred in a tight region around the mainshock at around 13-14 km depth. For the main event, we obtained an average moment magnitude of M-w=3.75, source radii of r(P)=509 m nd r(S)=400 m, and static stress drops of Delta sigma(P)=1.19x10(6) Pa and Delta sigma(S)=4.00x10(6) Pa from the analysis of displacement P- and S-wave spectra, respectively. The resulting spectral source parameters for the investigated events agree well with the results of earlier research. We have also shown that our recently developed probabilistic waveform inversion techniques applied in this study are suitable to retrieve the source mechanism for weak local earthquakes. We have successfully estimated the focal mechanism for the mainshock, a foreshock and an aftershock. Each earthquake was a thrust faulting event with a sub-horizontal P-axis pointing towards N-NE, coinciding with the general trend of the compressional stress field in the epicentral region. 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<span class="author-name" mtid="10062871"><a href="/gui2/?type=authors&mode=browse&sel=10062871" target="_blank">Czecze B (<span class="authorship-author-name">Czecze Barbara</span> <span class="authorAux-mtmt"> geofizika</span>) </a> </span> <span class="author-affil"><span title="Eötvös Loránd Tudományegyetem">ELTE</span>/<span title="Természettudományi Kar">TTK</span>/<span title="Földrajz- és Földtudományi Intézet">FoldrFoldt_I</span>/<span title="Földtudományi Központ">Ft_K</span>/Geofizikai és Űrtudományi Tanszék</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10017053"><a href="/gui2/?type=authors&mode=browse&sel=10017053" target="_blank">Sule B (<span class="authorship-author-name">Süle Bálint</span> <span class="authorAux-mtmt"> Szeizmológia</span>) </a> </span> <span class="author-affil"><span title="Csillagászati és Földtudományi Kutatóközpont">CSFK</span>/Geodéziai és Geofizikai Intézet</span> ;&nbsp;&nbsp;&nbsp; <span class="author-name" mtid="10004735"><a href="/gui2/?type=authors&mode=browse&sel=10004735" target="_blank">Bondar I (<span class="authorship-author-name">Bondár István</span> <span class="authorAux-mtmt"> Geofizika</span>) </a> </span> <span class="author-affil"><span title="Csillagászati és Földtudományi Kutatóközpont">CSFK</span>/Geodéziai és Geofizikai Intézet</span> </div> <div class="autype autype-29"> Kollaborációs szervezet: <span class="author-affil">AlpArray Working Group</span> </div> </div> <div class="title"><a href="/gui2/?mode=browse&params=publication;31564077" target="_blank">Source analysis of the March 7, 2019 M-L=4.0 Somogyszob, Hungary earthquake sequence</a></div> <div> <span class="journal-title">ACTA GEODAETICA ET GEOPHYSICA</span> <span class="journal-issn">(<a target="_blank" href="https://portal.issn.org/resource/ISSN/2213-5812">2213-5812</a> <a target="_blank" href="https://portal.issn.org/resource/ISSN/2213-5820">2213-5820</a>)</span>: <span class="journal-volume">55</span> <span class="journal-issue">3</span> <span class="page"> pp 371-387 </span> <span class="year">(2020)</span> </div> <div class="pub-footer"> <span class="language" xmlns="http://www.w3.org/1999/html">Nyelv: Angol | </span> <span class="identifiers"> <span class="id identifier oa_GOLD" title=" Gold "> <a style="color:blue" title="10.1007/s40328-020-00311-7" target="_blank" href="https://doi.org/10.1007/s40328-020-00311-7"> DOI </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="000560630700001" target="_blank" href="https://www.webofscience.com/wos/woscc/full-record/000560630700001"> WoS </a> </span> <span class="id identifier oa_GREEN" title=" Green "> <a style="color:blue" title="122827" target="_blank" href="http://real.mtak.hu/122827"> REAL </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="85089557059" target="_blank" href="http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85089557059"> Scopus </a> </span> <span class="id identifier oa_none" title="none"> <a style="color:blue" title="http://link.springer.com/10.1007/s40328-020-00311-7" target="_blank" href="http://link.springer.com/10.1007/s40328-020-00311-7"> Egyéb URL </a> </span> </span> <OnlyViewableByAuthor><div class="ratings"> <div class="journal-subject">Folyóirat szakterülete: Scopus - Building and Construction&nbsp;&nbsp;&nbsp;SJR indikátor:&nbsp;Q3</div> <div class="journal-subject">Folyóirat szakterülete: Scopus - Geology&nbsp;&nbsp;&nbsp;SJR indikátor:&nbsp;Q3</div> <div class="journal-subject">Folyóirat szakterülete: Scopus - Geophysics&nbsp;&nbsp;&nbsp;SJR indikátor:&nbsp;Q3</div> </div></OnlyViewableByAuthor> <div class="publication-citation" style="margin-left: 0.5cm;"> <span title="Nyilvános idézőközlemények összesen, említések nélkül" class="citingPub-count">Nyilvános idéző összesen: 7</span> | Független: 1 | Függő: 6 | Nem jelölt: 0 | WoS jelölt: 4 | Scopus jelölt:&nbsp;6 | WoS/Scopus jelölt:&nbsp;6 | DOI jelölt:&nbsp;6 </div> <div class="publication-citation"> <a target="_blank" href="/api/publication?cond=citations.related;eq;31564077&sort=publishedYear,desc&sort=title"> Idézett közlemények száma: 18 </a> </div> <div class="mtid"><span class="long-pub-mtid">Közlemény: 31564077</span> | <span class="status-data status-VALIDATED"> Egyeztetett </span> Forrás Idéző | <span class="type-subtype">Folyóiratcikk ( Sokszerzős vagy csoportos szerzőségű szakcikk ) </span> | <span class="pub-category">Tudományos</span> | <span class="publication-sourceOfData">WOS TAGGED</span> </div> <div class="funder"> (NKFI K124241), (K128152) Támogató: NKFIH, (2018-1.2.1-NKP-2018-00007) </div> <div class="lastModified">Utolsó módosítás: 2023.10.22. 17:45 Temesvári Katalin (GKEM admin) </div> <pre class="comment" style="margin-top: 0; margin-bottom: 0;"><u>Megjegyzés</u>: Funding Agency and Grant Number: ELKH Research Centre for Astronomy and Earth Sciences Funding text: Open access funding provided by ELKH Research Centre for Astronomy and Earth Sciences. Geodetic and Geophysical Institute, Research Centre for Astronomy and Earth Sciences, Csatkai E. u. 6-8., Sopron, 9400, Hungary Department of Geophysics and Space Science, I...</pre> </div></div>