An important research facility for subnuclear particle physics and astrophysics has been operating in central Italy since 1986. These laboratories (Laboratori Nazionali del Gran Sasso: LNGS), promoted by the Italian National Institute of Nuclear Physics, are located in an underground tunnel about 120 km east of Rome, alongside a motorway tunnel 10.5 km long. The tunnel is shielded by 1,400 m of limestone rocks (Gran Sasso massif). The LNGS are located very close to one of the major seismic faults of the central Apennines.

The seismic activity of the central Apennines and in particular in the region of the Gran...

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