Observations from the March 2021 Thessaly Earthquakes: an earthquake engineering perspective for masonry structures

Vasilis Sarhosis; C. Giarlesis; C. Karakostas; Eleni Smyrou; Ihsan Engin Bal; S. Valkaniotis; A. Ganas

doi:10.1007/s10518-022-01416-w

Observations from the March 2021 Thessaly Earthquakes: an earthquake engineering perspective for masonry structures

Vertaalde titel van de bijdrage: Waarnemingen van de aardbevingen in Thessalië in maart 2021: een aardbevingsengineeringperspectief voor metselwerkconstructies

Vasilis Sarhosis, C. Giarlesis, C. Karakostas, Eleni Smyrou, Ihsan Engin Bal, S. Valkaniotis, A. Ganas

Onderzoeksoutput: Article › Academic › peer review

Samenvatting

Twee sterke aardbevingen troffen de regio Thessalië op 3 maart 2021 (Mw = 6,3) en op 4 maart 2021 (Mw = 6,1). Het epicentrum van de aardbevingen lag respectievelijk ongeveer 23 en 29 km ten NW van Larissa, een van de dichtstbevolkte steden van Griekenland. Daarna volgden verschillende naschokken. Hoewel er geen gewonden werden geregistreerd, liepen verschillende structuren in de buurt van het epicentrum aanzienlijke schade op, terwijl sommige andere instortten. Ongeveer 300 inwoners van het dorp Damasi werden overgebracht naar tijdelijke nederzettingen en tenten. De gebeurtenis vond plaats tijdens de COVID19 lockdown en veroorzaakte aanzienlijke stress en ontwrichting voor de bewoners. Dit artikel richt zich op de aardbevingszwerm zelf en op de schade aan woongebouwen, scholen en kerken in de door aardbevingen getroffen regio. De aardbevingen troffen vooral laagbouwhuizen van metselwerk, terwijl de modernere structuren van gewapend beton die volgens de recente seismische voorschriften werden gebouwd, vrijwel onaangetast bleven. De typologie van de gebouwen in de regio wordt hierin gepresenteerd, samen met foto's die de omvang van de schade laten zien. Ondanks de tamelijk bevredigende prestaties van moderne gebouwen bij recente aardbevingen in Griekenland, toonde het voorlopige onderzoek van de aardbevingen in Thessalië aan dat er nog steeds een aanzienlijke mate van kwetsbaarheid bestaat in bestaande gemetselde gebouwen die met traditionele methoden en materialen zijn gebouwd.
Dit probleem zou opnieuw kunnen opduiken bij toekomstige aardbevingen in andere plattelandsgebieden van Griekenland, iets wat in de toekomst systematisch moet worden aangepakt.

Vertaalde titel van de bijdrage	Waarnemingen van de aardbevingen in Thessalië in maart 2021: een aardbevingsengineeringperspectief voor metselwerkconstructies
Originele taal-2	English
Pagina's (van-tot)	5483-5515
Aantal pagina's	33
Tijdschrift	Bulletin of Earthquake Engineering
Volume	20
Nummer van het tijdschrift	10
DOI's	https://doi.org/10.1007/s10518-022-01416-w
Status	Published - 22 mei 2022

Keywords

aardbevingen
Griekenland
metselwerk
schade
visuele beoordeling

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10.1007/s10518-022-01416-wLicentie: CC BY

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https://link.springer.com/article/10.1007/s10518-022-01416-w

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title = "Observations from the March 2021 Thessaly Earthquakes: an earthquake engineering perspective for masonry structures",

abstract = "Two strong earthquakes hit Thessaly region on March 3rd, 2021 (Mw = 6.3) and on March 4th, 2021 (Mw = 6.1). The epicentres of the earthquakes were located at approximately 23 and 29 km respectively NW of Larissa, one of the most populous cities in Greece. Several aftershocks followed thereafter. Although no injuries were recorded, several structures suffered significant damage close to the epicentre, while some others collapsed. Approximately 300 residents of the village of Damasi were transferred to temporary settlements and tents. The event occurred during the COVID19 lockdown and created significant stress and disruption to residents. This paper focuses on the earthquake swarm itself as well as the damages observed in residential buildings, schools, and churches in the earthquake-stricken region. The earthquakes mainly impacted low-rise domestic masonry buildings, while the more modern reinforced concrete structures built following the recent seismic regulations were almost unaffected. The typology of buildings in the region, together with photographs demonstrating the extent of damage are presented herein. Despite the rather satisfactory performance of modern buildings in recent earthquakes in Greece, the preliminary investigations from the Thessaly Earthquakes showed that there is still a significant level of vulnerability in existing masonry building stock constructed using traditional methods and materials. This issue could re-emerge in future earthquakes striking other rural areas of Greece, something that needs to be addressed systematically in the future.",

keywords = "aardbevingen, Griekenland, metselwerk, schade, visuele beoordeling, earthquakes, Greece, masonry, damage, visual assessment",

author = "Vasilis Sarhosis and C. Giarlesis and C. Karakostas and Eleni Smyrou and Bal, \{Ihsan Engin\} and S. Valkaniotis and A. Ganas",

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AU - Sarhosis, Vasilis

AU - Giarlesis, C.

AU - Karakostas, C.

AU - Smyrou, Eleni

AU - Bal, Ihsan Engin

AU - Valkaniotis, S.

AU - Ganas, A.

PY - 2022/5/22

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N2 - Two strong earthquakes hit Thessaly region on March 3rd, 2021 (Mw = 6.3) and on March 4th, 2021 (Mw = 6.1). The epicentres of the earthquakes were located at approximately 23 and 29 km respectively NW of Larissa, one of the most populous cities in Greece. Several aftershocks followed thereafter. Although no injuries were recorded, several structures suffered significant damage close to the epicentre, while some others collapsed. Approximately 300 residents of the village of Damasi were transferred to temporary settlements and tents. The event occurred during the COVID19 lockdown and created significant stress and disruption to residents. This paper focuses on the earthquake swarm itself as well as the damages observed in residential buildings, schools, and churches in the earthquake-stricken region. The earthquakes mainly impacted low-rise domestic masonry buildings, while the more modern reinforced concrete structures built following the recent seismic regulations were almost unaffected. The typology of buildings in the region, together with photographs demonstrating the extent of damage are presented herein. Despite the rather satisfactory performance of modern buildings in recent earthquakes in Greece, the preliminary investigations from the Thessaly Earthquakes showed that there is still a significant level of vulnerability in existing masonry building stock constructed using traditional methods and materials. This issue could re-emerge in future earthquakes striking other rural areas of Greece, something that needs to be addressed systematically in the future.

AB - Two strong earthquakes hit Thessaly region on March 3rd, 2021 (Mw = 6.3) and on March 4th, 2021 (Mw = 6.1). The epicentres of the earthquakes were located at approximately 23 and 29 km respectively NW of Larissa, one of the most populous cities in Greece. Several aftershocks followed thereafter. Although no injuries were recorded, several structures suffered significant damage close to the epicentre, while some others collapsed. Approximately 300 residents of the village of Damasi were transferred to temporary settlements and tents. The event occurred during the COVID19 lockdown and created significant stress and disruption to residents. This paper focuses on the earthquake swarm itself as well as the damages observed in residential buildings, schools, and churches in the earthquake-stricken region. The earthquakes mainly impacted low-rise domestic masonry buildings, while the more modern reinforced concrete structures built following the recent seismic regulations were almost unaffected. The typology of buildings in the region, together with photographs demonstrating the extent of damage are presented herein. Despite the rather satisfactory performance of modern buildings in recent earthquakes in Greece, the preliminary investigations from the Thessaly Earthquakes showed that there is still a significant level of vulnerability in existing masonry building stock constructed using traditional methods and materials. This issue could re-emerge in future earthquakes striking other rural areas of Greece, something that needs to be addressed systematically in the future.

KW - aardbevingen

KW - Griekenland

KW - metselwerk

KW - schade

KW - visuele beoordeling

KW - earthquakes

KW - Greece

KW - masonry

KW - damage

KW - visual assessment

UR - https://link.springer.com/article/10.1007/s10518-022-01416-w

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DO - 10.1007/s10518-022-01416-w

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VL - 20

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JO - Bulletin of Earthquake Engineering

JF - Bulletin of Earthquake Engineering

IS - 10

ER -

Observations from the March 2021 Thessaly Earthquakes: an earthquake engineering perspective for masonry structures

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Keywords

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