terça-feira, setembro 26, 2023

Há 26 anos, um terramoto, com forte abalo premonitório e muitas réplicas, matou onze pessoas em Itália


Afresco
destruído, de Cimbabue, na Basílica de São Francisco


1997 Umbria and Marche earthquake


Date 11:40:26, September 26, 1997 (UTC)
Magnitude 6.1 Mw
Depth 10 km (6.2 mi)
Epicenter 43.084°N 12.812°E
Countries or regions  Italy (Umbria, Marche)
Casualties11 dead
100 injured

 

The 1997 Umbria and Marche earthquake consisted of two earthquakes that occurred in the regions of Umbria and Marche, central Italy, in quick succession on the morning of September 26, 1997.
The first shock occurred at 2:33 am CEST (0:33 UTC), rated 5.5 on the Richter scale, and the second – the main shock – occurred at 11:40 am CEST (9:40 UTC), rated 6.1 on the Richter scale. Their epicentre was in Annifo.
There were several thousands of foreshocks and aftershocks from May 1997 to April 1998, more than thirty of which had a Richter magnitude more than 3.5. 11 people are known to have died following the shocks of September 26, 1997.
   

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