{"id":999,"date":"2023-10-16T08:00:49","date_gmt":"2023-10-16T04:30:49","guid":{"rendered":"https:\/\/rcecwa.net\/en\/?page_id=999"},"modified":"2025-03-01T11:04:10","modified_gmt":"2025-03-01T07:34:10","slug":"seismicity-and-seismotectonic-of-the-region","status":"publish","type":"page","link":"https:\/\/rcecwa.net\/en\/seismicity-and-seismotectonic-of-the-region\/","title":{"rendered":"Seismicity and Seismotectonic of the Region"},"content":{"rendered":"\t\t
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Seismicity and Seismotectonic of the Region<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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According to available seismic records and Global Position System (GPS) measurements, most countries located in the West and Central Asia are exposed to seismic hazards. This is partially related to the continental convergence and active crustal shortening between the African, Arabian, and the Indian plate northwards with respect to the Eurasian plate (Figure 1). According to Ambraseys et al. (2002), the historical record confirms that some regions that are active today (e.g., the North Anatolian fault zone) were also active during the past 2,500 years, demonstrating the long-term nature of their seismicity. It also shows that some regions that are, at present, quiescent (such as the Jordan Rift Valley), are capable of generating relatively large earthquakes. For some of these events, this is consistent with their known active tectonic environment. In historical periods, many moderate and almost all of the small events were missed out; however, after installation of the World Wide Seismic Standard Network (WWSSN) seismograms in this region and around the world, and by improving the seismograms gradually, we have now fairly good information about the earthquake events in this region.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Figure 1: Horizontal velocity field for a major part of the Alpine-Himalayan chain. The blue vectors are presented by McClusky et al. (2000), the red vectors by Wang et al. (2001), the black vectors by Vernant et al. (2004), and the white vectors are the Nuvel1-A plate velocity model by DeMets et al. (1994)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Using the ISC reviewed bulletin, in Figure 2, seismicity of the region from 2000 to 2018 is presented. As it is clear from this figure, the West and Central Asia region is a highly earthquake-prone zone. Similarly in Figure 3, the active faults of the region are shown. The active faults of the region depicted in this figure are based on GEM Global Active Faults Database (Styron and Pagani, 2020).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Figure 2: Seismicity of the region from 2010 to 2018 based on ISC reviewed bulletin<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Figure 3: Seismicity and active faults of the West and Central Asia (Styron and Pagani, 2020)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Seismicity and Seismotectonic of the Region According to available seismic records and Global Position System (GPS) measurements, most countries located in the West and Central Asia are exposed to seismic hazards. This is partially related to the continental convergence and active crustal shortening between the African, Arabian, and the Indian plate northwards with respect to […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-999","page","type-page","status-publish","hentry"],"yoast_head":"\nSeismicity and Seismotectonic of the Region - Regional Education and Research Center on Earthquake Risk Management and Resilience<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rcecwa.net\/en\/seismicity-and-seismotectonic-of-the-region\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Seismicity and Seismotectonic of the Region - Regional Education and Research Center on Earthquake Risk Management and Resilience\" \/>\n<meta property=\"og:description\" content=\"Seismicity and Seismotectonic of the Region According to available seismic records and Global Position System (GPS) measurements, most countries located in the West and Central Asia are exposed to seismic hazards. 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