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26 results on '"Hagag, Wael"'

1. The Arabian-Nubian Shield in Northeast Africa

Author

Hamimi, Zakaria, Fowler, Abdel-Rahman, Sami, Mabrouk, Hagag, Wael, Oberhänsli, Roland, Series Editor, Roure, Francois, Series Editor, Frei, Dirk, Series Editor, Hamimi, Zakaria, editor, Chabou, Moulley Charaf, editor, Errami, Ezzoura, editor, Fowler, Abdel-Rahman, editor, Fello, Nuri, editor, Masrouhi, Amara, editor, and Leprêtre, Rémi, editor

Published
2024
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4. Phanerozoic Structural Setting and Tectonic Evolution of Egypt

Author

Yousef, Mohamed, Hamimi, Zakaria, Heneish, Ahmed, Hagag, Wael, Anan, Tarek, Pisello, Anna Laura, Editorial Board Member, Hawkes, Dean, Editorial Board Member, Bougdah, Hocine, Editorial Board Member, Rosso, Federica, Editorial Board Member, Abdalla, Hassan, Editorial Board Member, Boemi, Sofia-Natalia, Editorial Board Member, Mohareb, Nabil, Editorial Board Member, Mesbah Elkaffas, Saleh, Editorial Board Member, Bozonnet, Emmanuel, Editorial Board Member, Pignatta, Gloria, Editorial Board Member, Mahgoub, Yasser, Editorial Board Member, De Bonis, Luciano, Editorial Board Member, Kostopoulou, Stella, Editorial Board Member, Pradhan, Biswajeet, Editorial Board Member, Abdul Mannan, Md., Editorial Board Member, Alalouch, Chaham, Editorial Board Member, O. Gawad, Iman, Editorial Board Member, Nayyar, Anand, Editorial Board Member, Amer, Mourad, Series Editor, Hamimi, Zakaria, editor, Khozyem, Hassan, editor, Adatte, Thierry, editor, Nader, Fadi H., editor, Oboh-Ikuenobe, Francisca, editor, Zobaa, Mohamed K., editor, and El Atfy, Haytham, editor

Published
2023
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5. Najd-Related Transpressional Deformations in the Atalla Shear Zone (Eastern Desert, Egypt)

Author

Hamimi, Zakaria, Hagag, Wael, Kamh, Samir, El-Araby, Asmaa, Pisello, Anna Laura, Editorial Board Member, Hawkes, Dean, Editorial Board Member, Bougdah, Hocine, Editorial Board Member, Rosso, Federica, Editorial Board Member, Abdalla, Hassan, Editorial Board Member, Boemi, Sofia-Natalia, Editorial Board Member, Mohareb, Nabil, Editorial Board Member, Mesbah Elkaffas, Saleh, Editorial Board Member, Bozonnet, Emmanuel, Editorial Board Member, Pignatta, Gloria, Editorial Board Member, Mahgoub, Yasser, Editorial Board Member, De Bonis, Luciano, Editorial Board Member, Kostopoulou, Stella, Editorial Board Member, Pradhan, Biswajeet, Editorial Board Member, Abdul Mannan, Md., Editorial Board Member, Alalouch, Chaham, Editorial Board Member, O. Gawad, Iman, Editorial Board Member, Nayyar, Anand, Editorial Board Member, Amer, Mourad, Series Editor, Meghraoui, Mustapha, editor, Sundararajan, Narasimman, editor, Banerjee, Santanu, editor, Hinzen, Klaus-G., editor, Eshagh, Mehdi, editor, Roure, François, editor, Chaminé, Helder I., editor, Maouche, Said, editor, and Michard, André, editor

Published
2022
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10. Seismicity, Seismotectonics and Neotectonics in Egypt

Author

Abd El-Aal, Abd El-Aziz Khairy, Hagag, Wael, Sakr, Kamal, Saleh, Mohamed, Oberhänsli, Roland, Series Editor, de Wit, Maarten J., Series Editor, Roure, François M., Series Editor, Hamimi, Zakaria, editor, El-Barkooky, Ahmed, editor, Martínez Frías, Jesús, editor, Fritz, Harald, editor, and Abd El-Rahman, Yasser, editor

Published
2020
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26. A new tectonic model for Abu-Dabbab seismogenic zone (Eastern Desert, Egypt): evidence from field-structural, EMR and seismic data.

Author

Hamimi, Zakaria and Hagag, Wael

Abstract

Abu-Dabbab area is the most active seismic zone in the central Eastern Desert of Egypt, where seismic activities are daily recorded. The reported earthquakes are microearthquakes of local magnitudes (ML < 2.0). A spatial distribution of these microearthquakes shows that the earthquakes of the area follow an ENE-WSW trending pattern, which is nearly perpendicular to the Red Sea Rift. Focal mechanisms of different fault styles were recognized with dominant normal faulting (with a strike-slip component) events characterized by focal depths greater than 7 km and reverse ones of shallower focal depths. Several lines of evidence indicating that the brittle-ductile transition zone underlies the Abu-Dabbab area occurs at a relatively shallow depth (10-12 km) and it is acting as a low-angle normal shear zone (LANF). Field-structural, EMR and seismic data (this study) reveal that the maximum compressive stress (σ1) in the area is perturbed from the regional NW-SE direction to ENE-WSW orientation. This stress rotation is evidently akin to the reactivation of the crustal scale Najd Fault System (NFS), where such reactivation is attributed to the ongoing activity/opening of the Red Sea. Our tectonic model proposes that the continuous activity on the brittle-ductile transition zone including the LANF led to stress localization, which triggering a brittle deformation in the upper crustal-levels and associated shallow dipping thrusts. Such bimodal tectonic model suggests that the deep earthquakes are owing to the tectonic movement on the LANF (transtension), whereas the shallow earthquakes are related to a brittle deformation inside the fault blocks of the upper crust (transpression). Deformation creep along this zone didn't permit continuous accumulation of strain and hence reduce the possible occurrence of large earthquakes. [ABSTRACT FROM AUTHOR]

Published
2017
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