Un terremoto di magnitudo 4,0 con epicentro in Valtellina è stato registrato giovedì alle 19.49 dal Servizio sismologico svizzero del Politecnico di Zurigo. La Rete sismica nazionale italiana indica la zona del Garda a cavallo tra Lombardia e Veneto, tra le province di Brescia e Verona, quale luogo in cui si è prodotto il sisma. L'area, secondo gli esperti, è geologicamente complessa e relativamente attiva dal punto di vista tellurico.
La scossa sarebbe stata percepita in una vasta area che comprende anche la vallata di Poschiavo, distante meno di un centinaio di chilometri, ed è avvenuta a 13,6 chilometri di profondità, in una zona dove i movimenti tellurici avvengono con frequenza.
ATS/Ansa/ab
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