Di: ATS/M. Ang.
Una lieve scossa di terremoto è stata registrata alle 20.13 di sabato sera nella zona di Grächen, in Vallese. Il Servizio sismico svizzero del Politecnico federale di Zurigo, ha reso noto che il sisma è stato di grado 3.0 sulla scala Richter.
La scossa è stata registrata a circa 11 km a ovest del comune vallesano, precisa una nota dell'istituto. Benché un sisma di questa magnitudo non provochi generalmente danni, gli abitanti vicini all'epicentro devono aver avvertito la scossa. Normalmente, gli esseri umani percepiscono un terremoto a partire dai 2.5 gradi sulla scala Richter.
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