The Umbria and Marche earthquake of 1997 affected part of the two regions in Central Italy in September-October 1997 and in March 1998. The Umbria and Marche earthquake of 1997 On 26 September 1997, two seismic events of magnitude 5.7 and 6.0 struck the...
How is the San Andreas Fault made and what is the Big One? What is the San Andreas Fault? There is a high earthquake-prone zone in California that is over 1,200 km long. It is the San Andreas Fault, a large fracture of the lithosphere that runs through California,...
With the Central Italy earthquake, which affected 140 municipalities in Central Italy, 24 August 2016 marked the beginning of the seismic sequence of Amatrice-Norcia-Visso by the NIGV, which lasted until January 2017. The Central Italy earthquake of 24 August...
It was an Italian geologist, seismologist, volcanologist and priest. Who was Giuseppe Mercalli and what does the scale he invented measure? Who was the seismologist Giuseppe Mercalli? Giuseppe Mercalli was born on 21 May 1850. He studied at the Monza seminary for...
On 20 May 2012, a magnitude 5.8 earthquake struck the region of Emilia-Romagna. The seismic event consisted of a series of shocks in the seismic district of the Po Plain of Emilia, mainly in the provinces of Modena, Ferrara, Mantua, Reggio Emilia, Bologna and Rovigo....
Charles Francis Richter (Hamilton, 26 April 1900 – Pasadena, 30 September 1985) was an American physicist and seismologist who developed the first earthquake magnitude scale, a scientific method to measure earthquakes based on “magnitude”, that is, on the energy...
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