Abstract
This short paper reports some initial fieldwork carried out in four locations shortly after the M8.0 Wenchuan Earthquake which took place on 12 May 2008 in Southwest China. The field evidence, notably that obtained in the town of Xiaoyudong, suggests that the primary motion was related to vertical movement along the Longmenshan Fault. The damage seen was consistent with a right-lateral strike-slip component.
Résumé
Ce court article présente de premiers travaux de terrain réalisés sur quatre sites rapidement après le séisme de Wenchuan, de magnitude 8,0, qui eut lieu le 12 mai 2008 dans le sud-ouest de la Chine. Les observations de terrain, en particulier dans la ville de Xiaoyudong, suggèrent que le premier mouvement correspondait à un déplacement vertical le long de la faille de Longmenshan. Les dommages observés étaient compatibles avec un déplacement à composante de décrochement dextre.
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Faquan, W., Bihong, F., Xiao, L. et al. Initial analysis of the mechanism of the Wenchuan Earthquake (Southwest China), 12 May 2008. Bull Eng Geol Environ 67, 453–455 (2008). https://doi.org/10.1007/s10064-008-0179-5
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DOI: https://doi.org/10.1007/s10064-008-0179-5