The effort for reducing the uncertainties in the location and size of historical earthquakes, even moderate‐size ones, is not a peripheral issue, as it plays a major role in the distribution of earthquake recurrence times that can affect the maps of seismic hazard of a territory. The L’Aquila area (Abruzzo, Central Italy) struck by the 6 April 2009 Mw 6.3 seismic event is a typical example of an earthquake‐prone region, the location of which historical seismicity needs to be better located. Thanks to a large body of geological, seismological, and geodetic evidence, the deep source of the 2009 mainshock...

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