Il terremoto del 6 maggio 1976 è stato preceduto da un foreshock di primo ordine di Mb 5.2. La fase di rilascio di energia è classificata come “Progressive earthquakes”. La fase di accumulo di energia che segue il mainshock di Ms 6.5, è composta da aftershocks di tipo “Flah earthquakes” con schemi di attivazione di tipo Falling wedge Pattern o Rectangle Pattern (Horizontal e ascending).
The earthquake on May 6, 1976 was preceded by a foreshock of the first order of Mb 5.2. The energy release phase is classified as "Progressive earthquakes". The energy accumulation phase that follows the mainshock of Ms 6.5, is composed of "flah earthquakes"aftershocks, with type of activation: Falling Wedge Pattern or Rectangle Pattern (Horizontal and ascending).
Reference
Riga G. & Balocchi P. (2016); Seismic Sequence Structure and Earthquakes Triggering Patterns. Open Journal of Earthquake Research, 5, pp. 20-34.
NCEDC (2014), Northern California Earthquake Data Center. UC Berkeley Seismological Laboratory. Dataset. doi:10.7932/NCEDC --> ANSS Composite Earthquake Catalog.
Reference
Riga G. & Balocchi P. (2016); Seismic Sequence Structure and Earthquakes Triggering Patterns. Open Journal of Earthquake Research, 5, pp. 20-34.
NCEDC (2014), Northern California Earthquake Data Center. UC Berkeley Seismological Laboratory. Dataset. doi:10.7932/NCEDC --> ANSS Composite Earthquake Catalog.
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