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Article

21 May 2003 Boumerdès Earthquake: Numerical Investigations of the Rupture Mechanism Effects on the Induced Tsunami and Its Impact in Harbors

Department of Civil, Chemical, Environmental and Materials Engineering—DICAM, University of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy
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J. Mar. Sci. Eng. 2020, 8(11), 933; https://doi.org/10.3390/jmse8110933
Received: 1 October 2020 / Revised: 4 November 2020 / Accepted: 5 November 2020 / Published: 17 November 2020
(This article belongs to the Special Issue Modelling of Harbour and Coastal Structures)
In order to obtain a fair and reliable description of the wave amplitude and currents in harbors due to the tsunami generated by the 21 May 2003 Boumerdès earthquake (Algeria), a numerical investigation has been performed with a standard hydraulic numerical model combined with various source fault models. Seven different rupture models proposed in literature to represent high frequency seismic effects have been used to simulate tsunami generation. The tsunami wave propagation across the Western Mediterranean Sea and in bays and harbors of the Balearic Islands is simulated, and results are checked against sea level measurements. All of them resulted in a significant underestimation of the tsunami impact on the Balearic coasts. In the paper the best fitting source model is identified, justifying the energy intensification of the event to account for low frequency character of tsunami waves. A fair correspondence is pointed out between damages to boats and harbor infrastructures, reported in newspapers, and wave intensity, characterized by level extremes and current intensity. Current speed and amplitude thresholds for possible damage in harbors suggested respectively by Lynett et al., doi.org/10.1002/2013GL058680, and Muhari et al., doi.org/10.1007/s11069-015-1772-0, are confirmed by the present analysis. View Full-Text
Keywords: Balearic Islands; Boumerdès; current speed; damage; harbor; tsunami Balearic Islands; Boumerdès; current speed; damage; harbor; tsunami
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MDPI and ACS Style

Masina, M.; Archetti, R.; Lamberti, A. 21 May 2003 Boumerdès Earthquake: Numerical Investigations of the Rupture Mechanism Effects on the Induced Tsunami and Its Impact in Harbors. J. Mar. Sci. Eng. 2020, 8, 933. https://doi.org/10.3390/jmse8110933

AMA Style

Masina M, Archetti R, Lamberti A. 21 May 2003 Boumerdès Earthquake: Numerical Investigations of the Rupture Mechanism Effects on the Induced Tsunami and Its Impact in Harbors. Journal of Marine Science and Engineering. 2020; 8(11):933. https://doi.org/10.3390/jmse8110933

Chicago/Turabian Style

Masina, Marinella, Renata Archetti, and Alberto Lamberti. 2020. "21 May 2003 Boumerdès Earthquake: Numerical Investigations of the Rupture Mechanism Effects on the Induced Tsunami and Its Impact in Harbors" Journal of Marine Science and Engineering 8, no. 11: 933. https://doi.org/10.3390/jmse8110933

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