NDLI: Recent evaluation of the assessment seismic hazards for Nuweiba, Gulf of Aqaba

Content Provider	Springer Nature Link
Author	Hamouda, Amr Z.
Copyright Year	2009
Abstract	The Gulf of Aqaba is considered seismically as one of the most active zones of the Dead Sea Transform region. The main shock of the 1995 Gulf of Aqaba earthquake sequence is considered as the largest shock in the (surface wave magnitude Ms = 7.2) since the sixteenth century. The present study is a trial to detect the probabilistic seismic hazard analysis (PSHA) for Nuweiba site. Data used for this study was a combination of both historical and recent instrumental data. Results of the hazard assessment, expressed as in the worst case scenario, reveal that Nuweiba is exposed to the occurrence of a maximum credible earthquake of magnitude $$ m_{{\max }} ~ = ~7.4 \pm 0.31 $$ , at hypocentral distance of 15.6 ± 10 km. For structure with the return period of 100 years, with a 90% probability of exceedance, the maximum expected earthquake magnitude (M$_{L}$) is 5.9 in this lifetime. The possibility of the maximum peak ground acceleration at the Nuweiba site is 0.41 g. Results of the hazard assessment can be used as an input data to assess the seismic risk for site of interest.يعتبر خليج العقبة من أكثر المناطق النشطة زلزاليا فى منطقة الشرق الاوسط. وحيث ان الحركة التكتونية للخليج ترتبط بالحركات التكتونية للشرق الاوسط وشرق البحر المتوسط. نجد أن زلزال 1995 يعتبر من اقوى الزلازل التى حدثت بخليج العقبة منذ القرن السادس عشر، والتى كانت قوته 7.2 ريختر. و تهدف هذه الدراسة الى تقيم المخاطر الزلزالية التى يمكن ان تتعرض لها مدينة نويبع بالخليج. وقد اعتمدت الدراسة على البيانات التاريخية والمسجلة حديثا بالاجهزة الزلزالية. ومن اهم نتائج الدراسة أن اقصى قوة زلزالية بمقياس ريختر يمكن ان تتعرض لها مدينة نويبع هو 7.4 + (0.31) و يكون مركزها داخل الارض على بعد 15 + 10 كم . بالاضافة ان الزلازل ذات قوة 5.9 يمكن ان تحدث كل 100 عام بنسبة 90 % . وان أقصى عجلة تسارعية متوقعة بمنطقة نويبع تكون 0.41g . ويمكن استخدام هذه البيانات مستقبليا فى تقيم المخاطر السيزمية لمنطقة الخليج.
Starting Page	775
Ending Page	783
Page Count	9
File Format	PDF
ISSN	18667511
Journal	Arabian Journal of Geosciences
Volume Number	4
Issue Number	5-6
e-ISSN	18667538
Language	Arabic
Publisher	Springer-Verlag
Publisher Date	2009-10-13
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Seismic hazard Probabilistic Maximum magnitude Nuweiba Gulf of Aqaba Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Environmental Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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