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«The Alps below Milan they represent a seismically active area that extends to the Lombardy area and the Po Valley as history has shown, and the faults are present at a depth of 5 to 15 kilometers ”, he explains. Carlo Doglioni President of the National Institute of Geophysics and Volcanology. Here the cause of the earthquakes What can happen (such as the 3.9 magnitude that occurred on Thursday, December 17, at 4:59 p.m., with the epicenter in Pero) is different from earthquakes throughout the Apennines where there is an expansion of the faults.
“In the Lombard area and its surroundings, however – specifies the scientist – there is a contraction whereby the region shortens from north to south less than one millimeter a year. This underground front of the bees stretches from Piedmont to Friuli Venezia Giulia. The responsible for the phenomenon is the Adriatic plate that moves in a northwesterly direction. L’area milanese however, it is not a signposted area with greater danger but this does not mean that earth movements cannot take place. There are few areas in Italy that do not present this danger.
The last earthquake of significant magnitude because it reached 5.4 on the Richter scale in the Caviaga area in 1951. In the Milan area, he had been significantly warned and some had blamed Eni’s oil extraction. But the tests carried out have denied it – Doglioni specifies – and there was no relationship because its depth was greater ”. Everything happens under the sediments of the Po and other rivers and the phenomena affect the entire Po valley, where the most destructive earthquake ever recorded took place. in Verona in 1117 reaching a magnitude of 6.52 on the Richter scale. But from Piedmont to Friuli the important earthquakes recorded from that of Brescia in 1065 to today are 110. However, the most violent continues to be precisely the one in the Verona area.
December 17, 2020 (change December 17, 2020 | 21:18)
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