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Quantitative Analysis of Seismicity in Iran
Bergen, Norway..
Department of Earth Sciences, University of Western Ontario, London, Canada..
Univ Gavle, Dept Ind Dev IT & Land Management, Gavle, Sweden.; Lantmateriet, Gavle, Sweden..
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Geophysics.
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2017 (English)In: Pure and Applied Geophysics, ISSN 0033-4553, E-ISSN 1420-9136, Vol. 174, no 3, p. 793-833Article in journal (Refereed) Published
Abstract [en]

We use historical and recent major earthquakes and GPS geodetic data to compute seismic strain rate, geodetic slip deficit, static stress drop, the parameters of the magnitude-frequency distribution and geodetic strain rate in the Iranian Plateau to identify seismically mature fault segments and regions. Our analysis suggests that 11 fault segments are in the mature stage of the earthquake cycle, with the possibility of generating major earthquakes. These faults primarily are located in the north and the east of Iran. Four seismically mature regions in southern Iran with the potential for damaging strong earthquakes are also identified. We also delineate four additional fault segments in Iran that can generate major earthquakes without robust clues to their maturity. The most important fault segment in this study is the strike-slip system near the capital city of Tehran, with the potential to cause more than one million fatalities.

Place, publisher, year, edition, pages
Univ Western Ontario, Dept Earth Sci, London, ON, Canada. Univ Gavle, Dept Ind Dev IT & Land Management, Gavle, Sweden. Lantmateriet, Gavle, Sweden. Uppsala Univ, Dept Earth Sci, Uppsala, Sweden. Univ Colorado, CIRES, Boulder, CO USA. Univ Colorado, Dept Geol Sci, Boulder, CO USA.: SPRINGER BASEL AG , 2017. Vol. 174, no 3, p. 793-833
Keywords [en]
Geodetic strain rate, seismic strain rate, stress drop, Gutenberg-Richter parameters, major historical and recent, seismicity in the Iranian Plateau
National Category
Geophysics
Identifiers
URN: urn:nbn:se:uu:diva-320920DOI: 10.1007/s00024-016-1435-4ISI: 000396834700005OAI: oai:DiVA.org:uu-320920DiVA, id: diva2:1091622
Available from: 2017-04-27 Created: 2017-04-27 Last updated: 2017-04-27Bibliographically approved

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Boroujeni, Samar Amini

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