We found extensive evidence that the vertical ground accelerations produced during the largest shock (M = 6.0) of the 1997 Umbria-Marche earthquake sequence exceeded 1g in two areas close to the heavily-damaged villages of Annifo and Colle Croce. This evidence comes from the striking observation of thousands of freshly fractured and broken...
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2000 (v1)Journal articleUploaded on: December 3, 2022
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2000 (v1)Journal article
Strong site effects were observed during the two M W 5.7 and M W 6.0 main shocks of the Colfiorito seismic crisis which occured on September 26, 1997 in Umbria-Marche (Central Italy).The most obvious indications of these effects are the dramatic differences in damage shown by buildings of similar construction in neighboring villages.Such...
Uploaded on: December 3, 2022 -
August 1999 (v1)Journal article
Durant deux mois, les vibrations du sol induites par la sismicité naturelle ont été enregistrées par 4 réseaux denses, comprenant chacun 9 stations sismologiques. La zone choisie couvre une superficie de 400 km2 et présente une topographie avec des orientations bien marquées. Les sites correspondent à des fonds de vallées plans et remplis de...
Uploaded on: December 4, 2022 -
March 2016 (v1)Journal article
International audience
Uploaded on: February 28, 2023