Related references
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Article
Engineering, Geological
Baris Binici et al.
Summary: The Samos Earthquake caused the collapse of around fifty buildings in Izmir city center, resulting in over 120 fatalities. Despite experiencing accelerations lower than those defined by the Turkish Code design spectrum, significant damage was observed due to deficiencies in the building stock. Studies on deformation capacity estimation of RC columns in Turkish earthquakes showed that buildings with low concrete strength had high column axial load ratios with limited drift capacity, contributing to collapse.
BULLETIN OF EARTHQUAKE ENGINEERING
(2022)
Article
Engineering, Geological
Aysegul Askan et al.
Summary: The study presents a dataset of 77 strong ground motion records from the M7.0 Samos Island earthquake, discussing acceleration time histories, Fourier amplitude spectra, and response spectra along with source, propagation path, and site effects. Findings show long-period amplifications causing damages in Izmir bay, with spectral accelerations below design spectra in damaged regions. Peak ground motions are used to create a macroseismic intensity map reflecting actual earthquake damage. Records indicate strong energy signature of the Samos earthquake in the 0.5-1.5 s period range, with additional amplifications observed in heavily hit Izmir city due to basin effects. Records at larger distances show lower amplitudes than predicted by ground motion models, suggesting further studies for regional attenuation models.
BULLETIN OF EARTHQUAKE ENGINEERING
(2022)
Article
Engineering, Geological
Anastasia Kiratzi et al.
Summary: The 30 October 2020 Samos earthquake ruptured an east-west striking, north dipping normal fault located offshore the northern coast of Samos Island. The earthquake triggered nearby strike-slip and normal fault segments. The study shows that the seismic sequence primarily ruptured the upper crust and slip was mainly concentrated in two asperities located up-dip from the hypocenter and at shallow depths.
BULLETIN OF EARTHQUAKE ENGINEERING
(2022)
Article
Engineering, Geological
Kemal Onder Cetin et al.
Summary: The study shows that site effects and soil-structure resonance induced by the earthquake led to structural damage in Izmir Bay (Turkey) and Samos Island (Greece). It also highlights the importance of developing region-specific zoning and provisions for assessing extreme site effects, when general code practices may not be adequate.
BULLETIN OF EARTHQUAKE ENGINEERING
(2022)
Article
Engineering, Geological
Nikos Kalligeris et al.
Summary: On October 30th, 2020, a magnitude 7.0 earthquake off the northern coast of Samos, Greece triggered a tsunami that affected the Greek islands and the Aegean coast of Turkey. Detailed post-event field surveys revealed tsunami height and runup measurements on five islands. The warning message sent by the General Secretariat for Civil Protection of Greece to all cell phones in the eastern Aegean region before the second flood in Vathi highlights the importance of timely evacuation. Inferring complete tsunami hydrographs from measurements of the first two floods in Vathi revealed a rapid rise in water levels of about one meter overland flow depth.
BULLETIN OF EARTHQUAKE ENGINEERING
(2022)
Article
Engineering, Geological
Ahmet Yakut et al.
Summary: The earthquake on October 30, 2020 caused significant damage to RC and masonry buildings in Izmir, with a focus on mid-rise buildings in the Bayrakli district. Amplified ground motions, building deficiencies, and lack of code compliance were identified as main reasons for the observed damage.
BULLETIN OF EARTHQUAKE ENGINEERING
(2022)
Article
Engineering, Geological
Selcuk Toprak et al.
Summary: This paper presents the effects of the Samos-Aegean Sea earthquake on hydraulic structures, lifelines, and industrial facilities in the western coast of Turkey. The damages to the infrastructure were mainly caused by building collapses and tsunami effects, while there were no significant damages reported on lifeline systems, large industrial facilities, and dams.
BULLETIN OF EARTHQUAKE ENGINEERING
(2022)
Article
Engineering, Geological
Katerina Ziotopoulou et al.
Summary: On October 30, 2020, a magnitude 7.0 earthquake occurred in the Aegean Sea, north of the island of Samos, Greece. Geotechnical reconnaissance teams from Turkey and Greece were deployed immediately after the earthquake to assess the effects. The findings show that liquefaction and its associated impacts were predominantly observed in Samos, while few major geotechnical effects were observed in Turkey.
BULLETIN OF EARTHQUAKE ENGINEERING
(2022)
