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  Reykjanes Peninsula (SW Iceland) seismicity in the last 10 years

Doubravova, J., Magnússon, R., Konrádová, D., Horálek, J., Fischer, T., Águstsdóttir, T., Gudnasson, E. (2023): Reykjanes Peninsula (SW Iceland) seismicity in the last 10 years, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-1724

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Datensatz-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017878 Versions-Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5017878_2
Genre: Konferenzbeitrag

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 Urheber:
Doubravova, Jana1, Autor
Magnússon, Rognvaldur1, Autor
Konrádová, Diana1, Autor
Horálek, Josef1, Autor
Fischer, Tomáš1, Autor
Águstsdóttir, Thorbjorg1, Autor
Gudnasson, Egill1, Autor
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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Schlagwörter: -
 Zusammenfassung: Reykjanes Peninsula (SW Iceland) is extraodrinary place from the geophysical perspective. Lying on the on-shore part of the Mid-Atlantic Ridge, interlaced by volcanic systems and hosting sevral high temperature geothermal areas the seismic activity on Reykjanes Peninsula is generally persistent often on a microseismic level but occasionally reaching up to ML~5-6. Throughout the years many temporary seismic stations or small to medium size local seismic networks have beed deployed there for various purposes from geothermal prospection monitoring to short time passive seismic experiments. We analyzed 10 years period of recording of the natural seismicity recorded at the stations of the semi-permanent local seismic network REYKJANET (in operation since 2013) together with several permanent stations of SIL network present in the area of interest. This timespan contained times of relative rest, several small earthquake swamrs associated with purely tectonic origin as well as very turbulent and active periods with magnitudes up to ML=5.4 related to volcanic eruptions. We study the distribution of foci of the background seismicity as well as for the several seismically active periods with consistent set of stations. We compare different automatically derived earthquake catalogs and their common features like the aseismic zones or upper and lower limit of the foci occurence, seismogenic faults and void areas. The dataset contains also Fagradalsfjall volcanic system dyke intrusions related events in 2021-2022. We deal with several tens of thousands of foci with high quality stable location imaging the subsurface beneath Reykjanes Peninsula.

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Sprache(n): eng - Englisch
 Datum: 2023
 Publikationsstatus: Final veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
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 Identifikatoren: DOI: 10.57757/IUGG23-1724
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Veranstaltung

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Veranstaltungsort: Berlin
Start-/Enddatum: 2023-07-11 - 2023-07-20

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Titel: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Potsdam : GFZ German Research Centre for Geosciences
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