Lessons for Remote Post-earthquake Reconnaissance from the 14 August 2021 Haiti Earthquake (2022)
On 14th August 2021, a magnitude 7.2 earthquake struck the Tiburon Peninsula in the Caribbean nation of Haiti, approximately 150 km west of the capital Port-au-Prince. Aftershocks up to moment magnitude 5.7 followed and over 1,000 landslides were triggered. These events led to over 2,000 fatalities, 15,000 injuries and more than 137,000 structural failures. The economic impact is of the order of US$1.6 billion. The on-going Covid pandemic and a complex political and security situation in Haiti meant that deploying earthquake engineers from the UK to assess structural damage and identify lessons for future building construction was impractical. Instead, the Earthquake Engineering Field Investigation Team (EEFIT) carried out a hybrid mission, modelled on the previous EEFIT Aegean Mission of 2020. The objectives were: to use open-source information, particularly remote sensing data such as InSAR and Optical/Multispectral imagery, to characterise the earthquake and associated hazards; to understand the observed strong ground motions and compare these to existing seismic codes; to undertake remote structural damage assessments, and to evaluate the applicability of the techniques used for future post-disaster assessments. Remote structural damage assessments were conducted in collaboration with the Structural Extreme Events Reconnaissance (StEER) team, who mobilised a group of local non-experts to rapidly record building damage. The EEFIT team undertook damage assessment for over 2,000 buildings comprising schools, hospitals, churches and housing to investigate the impact of the earthquake on building typologies in Haiti. This paper summarises the mission setup and findings, and discusses the benefits, and difficulties, encountered during this hybrid reconnaissance mission.</jats:p>
CitationWhitworth MRZ, Giardina G, Penney C, Di Sarno L, Adams K, Kijewski-Correa T, Black J, Foroughnia F, Macchiarulo V, Milillo P, Ojaghi M, Orfeo A, Pugliese F, Dönmez K, Aktas YD, Macabuag J Lessons for Remote Post-earthquake Reconnaissance from the 14 August 2021 Haiti Earthquake. Frontiers in Built Environment. 8.
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Keywordsremote reconnaissance; earthquake; building damage; remote sensing; landslides; data collection; InSAR; multispectral imagery
ANZSRC Fields of Research41 - Environmental sciences::4104 - Environmental management::410402 - Environmental assessment and monitoring
37 - Earth sciences::3709 - Physical geography and environmental geoscience::370903 - Natural hazards
40 - Engineering::4013 - Geomatic engineering::401304 - Photogrammetry and remote sensing
40 - Engineering::4005 - Civil engineering::400510 - Structural engineering
RightsCopyright © 2022 Whitworth, Giardina, Penney, Di Sarno, Adams, Kijewski- Correa, Black, Foroughnia, Macchiarulo, Milillo, Ojaghi, Orfeo, Pugliese, Dönmez, Aktas and Macabuag. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
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