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Title: REGIONAL ACTIVE FAULTS AS INTERPRETED ON CRUSTAL SEISMICITY, GRAVITY AND MAGNETIC DATA ACROSS THE MOESIAN PLATFORM AND THE NORTH DOBROGEAN OROGEN
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REGIONAL ACTIVE FAULTS AS INTERPRETED ON CRUSTAL SEISMICITY, GRAVITY AND MAGNETIC DATA ACROSS THE MOESIAN PLATFORM AND THE NORTH DOBROGEAN OROGEN
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1314-2704
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English
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18
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1.1
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The tectonic interpretation of crustal seismicity data have been recently performed for the central part of the Moesian Platform, having as main target the in-depth development of the Intramoesian Fault[1].
Seismological data for Romania, Bulgaria and the western Black Sea, compiled from published local, regional and global earthquake catalogues and merged into a database, were used to analyze the crustal seismicity (0?40 km) on multiple N-S trending sections across the North Dobrogean Orogen and the eastern part of the Moesian Platform, within 45.5N - 43N latitude and 27E?30E longitude. The location of crustal faults, components of the geotectonic frame, was interpreted on regional gravity and aeromagnetic data. The N-S regional distribution of crustal seismicity illustrates the in-depth development of quasi-vertical clusters of hypocenters, interpreted as highly active fault segments, alternating with sectors of low seismicity. Among the Sfantu Gheorghe, Peceneaga-Camena, Capidava?Ovidiu and Intramoesian faults, the Peceneaga-Camena fault is best illustrated by crustal seismic events. When comparing the seismicity of the analyzed tectonic blocks, a decreasing seismicity was observed, starting from the North Dobrogean Orogen, as the most active; Central Dobrogea displays moderate seismicity, while Southern Dobrogea is characterized in the studied area by the lowest seismicity. |
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conference
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18th International Multidisciplinary Scientific GeoConference SGEM 2018
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18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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939-946
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02-08 July, 2018
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website
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cdrom
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117
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crustal seismicity; regional active faults; geophysical interpretation; North Dobrogean Orogen; Moesian Platform
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