GNGTS 2024 - Atti del 42° Convegno Nazionale

Session 2.3 GNGTS 2024 Insights into risk communicaton from the analysis of earthquake light phenomena reports in Turkey and Morocco C. Fidani 1,2 1 Isttuto Nazionale di Geofsica e Vulcanologia, Roma, Italy 2 Central Italy Electromagnetc Network, Fermo, Italy Recently, a 6.8-magnitude earthquake struck Morocco on September 8, 2023, at 11.11 p.m. local tme. Video footage has emerged capturing unusual light phenomena during this seismic event. The frst recording, Fig. 1a, available at htps://www.albawaba.net/editors-choice/mysterious-blue- light-fashes-moroccan-earthquake-15336 13 , features blue fashes in Agadir originatng from the ground. This video, dated 11.08 p.m. on September 8, 2023, was captured by a surveillance camera. Another video, Fig. 2, documentng the 7.8-magnitude earthquake in Turkey on February 7, 2023, displays fashes with less defned origins where public illuminaton is on during the frst fash, Fig. 2a, while public illuminaton is of during the following fash, Fig. 2b. Both recordings were taken in residental areas, the frst by a surveillance camera and the second via a mobile phone. A separate video, Fig. 1b, accessible at htps://video.corriere.it/video-virali/strane-luci-app arse-cieli-marocco-prima-devastan t e-terremo to /fa2e4bc6-5179-11ee-929c-7dcc808a97b8 , depicts six bright points moving across the desert sky. Unfortunately, details such as the tmes and locatons of these observatons are not provided by newspapers. Fig. 1 – Two photograms of the two videos capturing unusual light phenomena of the Morocco earthquake, fashes in a and luminous points in b