Una falesia crollata domenica presso Muotathal (SZ), ha provocato due grosse frane - una la mattina e una a fine pomeriggio - con il complessivo distaccamento di 450'000 cubi di roccia nella regione di Gwalpeten, in fondo alla Bisisthal. Nessuno è rimasto ferito.
La prima frana ha comportato la caduta di circa 150'000 metri cubi di roccia, la seconda di 300'000 metri cubi, hanno comunicato lunedì le autorità del Comune di Muotathal. Ciò corrisponde a più di un milione di tonnellate di roccia. "I danni sono limitati ai pascoli utilizzati per l'agricoltura alpina", viene indicato.
Tutte le strade e i sentieri nella zona a rischio erano stati già chiusi per precauzione. La falesia era sotto osservazione da anni. Le misurazioni hanno mostrato un aumento costante dei movimenti.
Specialisti osserveranno il comportamento dei detriti. L'accesso all'area resta vietato.
Notiziario 20.00 del 31.07.2023
Notiziario 31.07.2023, 20:12
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