Trema la terra ad Adrano, Bronte e Biancavilla: 4 eventi sismici in poche ore – Corriere Etneo
https://www.corrieretneo.it/2020/10/22/trema-la-terra-ad-adrano-bronte-e-biancavilla-4-eventi-sismici-in-poche-ore/
https://www.corrieretneo.it/2020/10/22/trema-la-terra-ad-adrano-bronte-e-biancavilla-4-eventi-sismici-in-poche-ore/?fbclid=IwAR1NZV27RYVWGybriEdn7Pk7Fi_eeu5R2sHSjZKxtPOLrApHaxDM0jQIx1A