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Space-time variations of the Umbria-Marche region instrumental seismicity
b value seismicity Apennines
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2015/9/29
In the Umbria-Marche region, space and time variations concerning the b value were studied by instrumental seismicity from January 1987 to May 1999, according to the Bender method. Data were divided i...
Re-evaluation of early instrumental earthquake locations: methodology and examples
earthquake location macroseismic locations
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2015/9/14
The difficulties of locating earthquakes in the early instrumental period are not always fully appreciated. The networks were sparse, and the instruments themselves were of low gain, often had inappro...
The role of instrumental versus macroseismic locations for earthquakes of the last century: a discussion based on the seismicity of the North-Western Apennines (Italy)
historical seismicity velocity propagation model Joint Hypocentral Determination
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2015/9/10
Many seismological observatories began to record and store seismic events in the early years of the twentieth century,
contributing to the compilation of very valued databases of both phase pickings ...