THE TOBOSI FAULT: SOURCE OF THE 2011–2012 TOBOSI EARTHQUAKE SWARM IN CENTRAL COSTA RICA
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| Formato: | Artículo científico |
| Lenguaje: | es |
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Universidad de Costa Rica
2015
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| _version_ | 1876423102021238784 |
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| author | María C. Araya |
| author_facet | María C. Araya |
| contents | THE TOBOSI FAULT: SOURCE OF THE 2011–2012 TOBOSI EARTHQUAKE SWARM IN CENTRAL COSTA RICA María C. Araya Lepolt Linkimer Walter Montero Wilfredo Rojas Geología Tobosi Costa Rica Active fault seismic hazard earthquake swarm The Central Costa Rica Deformed Belt (CCRDB) is an ~100-km broad zone of deformation that marksthe boundary between the Caribbean Plate and the Panama Microplate. From December 2011 to February 2012, anearthquake swarm took place in a portion of the CCRDB, near the town of Tobosi, 7 km southwest of the city of Car-tago. In this study, data recorded by the National Seismological Network of Costa Rica (RSN: UCR-ICE) is used torelocate the earthquakes and calculate their focal mechanisms. Additionally, the tectonic geomorphology of the regionis analyzed. The results show a transtension structure near the town of Tobosi, which comprises at least three faults,named: the Tobosi, Tablon, and Alumbre faults. It was found that the Tobosi fault is an active left-lateral strike-slip faultwith a normal component and was the source of the Tobosi earthquake swarm. 2015 artículo científico 0256-7024 https://www.redalyc.org/articulo.oa?id=45442429007 https://www.redalyc.org/journal/454/45442429007/ https://www.redalyc.org/journal/454/45442429007/html/ https://www.redalyc.org/journal/454/45442429007/45442429007.epub https://www.redalyc.org/journal/454/45442429007/movil es http://www.redalyc.org/revista.oa?id=454 Revista Geológica de América Central application/pdf Universidad de Costa Rica Revista Geológica de América Central (Costa Rica) Num.53 |
| format | Artículo científico |
| id | redalyc_45442429007 |
| institution | Redalyc |
| language | es |
| publishDate | 2015 |
| publisher | Universidad de Costa Rica |
| spellingShingle | THE TOBOSI FAULT: SOURCE OF THE 2011–2012 TOBOSI EARTHQUAKE SWARM IN CENTRAL COSTA RICA María C. Araya Geología Tobosi Costa Rica Active fault seismic hazard earthquake swarm THE TOBOSI FAULT: SOURCE OF THE 2011–2012 TOBOSI EARTHQUAKE SWARM IN CENTRAL COSTA RICA María C. Araya Lepolt Linkimer Walter Montero Wilfredo Rojas Geología Tobosi Costa Rica Active fault seismic hazard earthquake swarm The Central Costa Rica Deformed Belt (CCRDB) is an ~100-km broad zone of deformation that marksthe boundary between the Caribbean Plate and the Panama Microplate. From December 2011 to February 2012, anearthquake swarm took place in a portion of the CCRDB, near the town of Tobosi, 7 km southwest of the city of Car-tago. In this study, data recorded by the National Seismological Network of Costa Rica (RSN: UCR-ICE) is used torelocate the earthquakes and calculate their focal mechanisms. Additionally, the tectonic geomorphology of the regionis analyzed. The results show a transtension structure near the town of Tobosi, which comprises at least three faults,named: the Tobosi, Tablon, and Alumbre faults. It was found that the Tobosi fault is an active left-lateral strike-slip faultwith a normal component and was the source of the Tobosi earthquake swarm. 2015 artículo científico 0256-7024 https://www.redalyc.org/articulo.oa?id=45442429007 https://www.redalyc.org/journal/454/45442429007/ https://www.redalyc.org/journal/454/45442429007/html/ https://www.redalyc.org/journal/454/45442429007/45442429007.epub https://www.redalyc.org/journal/454/45442429007/movil es http://www.redalyc.org/revista.oa?id=454 Revista Geológica de América Central application/pdf Universidad de Costa Rica Revista Geológica de América Central (Costa Rica) Num.53 |
| title | THE TOBOSI FAULT: SOURCE OF THE 2011–2012 TOBOSI EARTHQUAKE SWARM IN CENTRAL COSTA RICA |
| topic | Geología Tobosi Costa Rica Active fault seismic hazard earthquake swarm |
| url | https://www.redalyc.org/articulo.oa?id=45442429007 https://www.redalyc.org/journal/454/45442429007/ https://www.redalyc.org/journal/454/45442429007/html/ https://www.redalyc.org/journal/454/45442429007/45442429007.epub https://www.redalyc.org/journal/454/45442429007/movil |