‘Conjugate’ coseismic surface faulting related with the 29 December 2020, Mw 6.4, Petrinja earthquake (Sisak-Moslavina, Croatia)

Abstract We provide here a first-hand description of the coseismic surface effects caused by the Mw 6.4 Petrinja earthquake that hit central Croatia on 29 December 2020. This was one of the strongest seismic events that occurred in Croatia in the last two centuries. Field surveys in the epicentral a...

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Autores principales:	Emanuele Tondi, Anna Maria Blumetti, Mišo Čičak, Pio Di Manna, Paolo Galli, Chiara Invernizzi, Stefano Mazzoli, Luigi Piccardi, Giorgio Valentini, Eutizio Vittori, Tiziano Volatili
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a2457087165f428b9dc02112c2da4828
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spelling	oai:doaj.org-article:a2457087165f428b9dc02112c2da48282021-12-02T16:56:09Z‘Conjugate’ coseismic surface faulting related with the 29 December 2020, Mw 6.4, Petrinja earthquake (Sisak-Moslavina, Croatia)10.1038/s41598-021-88378-22045-2322https://doaj.org/article/a2457087165f428b9dc02112c2da48282021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88378-2https://doaj.org/toc/2045-2322Abstract We provide here a first-hand description of the coseismic surface effects caused by the Mw 6.4 Petrinja earthquake that hit central Croatia on 29 December 2020. This was one of the strongest seismic events that occurred in Croatia in the last two centuries. Field surveys in the epicentral area allowed us to observe and map primary coseismic effects, including geometry and kinematics of surface faulting, as well as secondary effects, such as liquefaction, sinkholes and landslides. The resulting dataset consists of homogeneous georeferenced records identifying 222 observation points, each of which contains a minimum of 5 to a maximum of 14 numeric and string fields of relevant information. The earthquake caused surface faulting defining a typical ‘conjugate’ fault pattern characterized by Y and X shears, tension cracks (T fractures), and compression structures (P shears) within a ca. 10 km wide (across strike), NW–SE striking right-lateral strike-slip shear zone (i.e., the Petrinja Fault Zone, PFZ). We believe that the results of the field survey provide fundamental information to improve the interpretation of seismological, GPS and InSAR data of this earthquake. Moreover, the data related to the surface faulting may impact future studies focused on earthquake processes in active strike-slip settings, integrating the estimates of slip amount and distribution in assessing the hazard associated with capable transcurrent faults.Emanuele TondiAnna Maria BlumettiMišo ČičakPio Di MannaPaolo GalliChiara InvernizziStefano MazzoliLuigi PiccardiGiorgio ValentiniEutizio VittoriTiziano VolatiliNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Emanuele Tondi Anna Maria Blumetti Mišo Čičak Pio Di Manna Paolo Galli Chiara Invernizzi Stefano Mazzoli Luigi Piccardi Giorgio Valentini Eutizio Vittori Tiziano Volatili ‘Conjugate’ coseismic surface faulting related with the 29 December 2020, Mw 6.4, Petrinja earthquake (Sisak-Moslavina, Croatia)
description	Abstract We provide here a first-hand description of the coseismic surface effects caused by the Mw 6.4 Petrinja earthquake that hit central Croatia on 29 December 2020. This was one of the strongest seismic events that occurred in Croatia in the last two centuries. Field surveys in the epicentral area allowed us to observe and map primary coseismic effects, including geometry and kinematics of surface faulting, as well as secondary effects, such as liquefaction, sinkholes and landslides. The resulting dataset consists of homogeneous georeferenced records identifying 222 observation points, each of which contains a minimum of 5 to a maximum of 14 numeric and string fields of relevant information. The earthquake caused surface faulting defining a typical ‘conjugate’ fault pattern characterized by Y and X shears, tension cracks (T fractures), and compression structures (P shears) within a ca. 10 km wide (across strike), NW–SE striking right-lateral strike-slip shear zone (i.e., the Petrinja Fault Zone, PFZ). We believe that the results of the field survey provide fundamental information to improve the interpretation of seismological, GPS and InSAR data of this earthquake. Moreover, the data related to the surface faulting may impact future studies focused on earthquake processes in active strike-slip settings, integrating the estimates of slip amount and distribution in assessing the hazard associated with capable transcurrent faults.
format	article
author	Emanuele Tondi Anna Maria Blumetti Mišo Čičak Pio Di Manna Paolo Galli Chiara Invernizzi Stefano Mazzoli Luigi Piccardi Giorgio Valentini Eutizio Vittori Tiziano Volatili
author_facet	Emanuele Tondi Anna Maria Blumetti Mišo Čičak Pio Di Manna Paolo Galli Chiara Invernizzi Stefano Mazzoli Luigi Piccardi Giorgio Valentini Eutizio Vittori Tiziano Volatili
author_sort	Emanuele Tondi
title	‘Conjugate’ coseismic surface faulting related with the 29 December 2020, Mw 6.4, Petrinja earthquake (Sisak-Moslavina, Croatia)
title_short	‘Conjugate’ coseismic surface faulting related with the 29 December 2020, Mw 6.4, Petrinja earthquake (Sisak-Moslavina, Croatia)
title_full	‘Conjugate’ coseismic surface faulting related with the 29 December 2020, Mw 6.4, Petrinja earthquake (Sisak-Moslavina, Croatia)
title_fullStr	‘Conjugate’ coseismic surface faulting related with the 29 December 2020, Mw 6.4, Petrinja earthquake (Sisak-Moslavina, Croatia)
title_full_unstemmed	‘Conjugate’ coseismic surface faulting related with the 29 December 2020, Mw 6.4, Petrinja earthquake (Sisak-Moslavina, Croatia)
title_sort	‘conjugate’ coseismic surface faulting related with the 29 december 2020, mw 6.4, petrinja earthquake (sisak-moslavina, croatia)
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a2457087165f428b9dc02112c2da4828
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‘Conjugate’ coseismic surface faulting related with the 29 December 2020, Mw 6.4, Petrinja earthquake (Sisak-Moslavina, Croatia)

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