Physics – Geophysics
Scientific paper
Oct 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3620610v&link_type=abstract
Geophysical Research Letters, Volume 36, Issue 20, CiteID L20610
Physics
Geophysics
Oceanography: Physical: Tsunamis And Storm Surges, Mathematical Geophysics: Spectral Analysis (3205, 3280), Mathematical Geophysics: Time Series Analysis (1872, 1988, 4277, 4475), Oceanography: Physical: Topographic/Bathymetric Interactions
Scientific paper
On 21 May 2003 a submarine earthquake occurred near Algiers producing a tsunami that propagated northward and reached the Balearic Islands and the Levantine coast of the Iberian Peninsula within an hour. Despite that the generated tsunami was moderate, sea level variations inside certain harbors at the Balearic Islands were significant, producing severe damage to moored boats. Available tsunami records in the affected harbors are examined to estimate amplifications factors of arriving waves and spectral characteristics of the source. Comparison between background and tsunami oscillations at various sites allowed separation of the tsunami source properties from local topographic effects. The fundamental period of the reconstructed source spectrum is 21 min, which is in close agreement with that found by Alasset et al. (2006) based on modeling the tsunami initiation.
Monserrat Sebastian
Vich Maria-del-Mar
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