'Lettere patenti' help assess intensity of historic central Italian earthquakes

May 25, 2020 218

Three hundred-year-old administrative documents from the Roman government, granting residents permission to repair damage to their buildings, can help modern-day seismologists calculate intensities for a notable sequence of earthquakes that struck central Italy in 1703.

Details gleaned from these "Lettere Patenti" offer a unique glimpse at the geographical spread and types of building damage caused by the 1703 earthquakes, according to the report in Seismological Research Letters by Andrea Tertulliani of the Istituto Nazionale di Geofisica e Vulcanologia and colleagues.

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SOURCE: https://phys.org

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