{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,24]],"date-time":"2026-03-24T13:19:46Z","timestamp":1774358386503,"version":"3.50.1"},"reference-count":52,"publisher":"American Geophysical Union (AGU)","issue":"B5","license":[{"start":{"date-parts":[[2008,5,6]],"date-time":"2008-05-06T00:00:00Z","timestamp":1210032000000},"content-version":"vor","delay-in-days":5,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Geophys. Res."],"published-print":{"date-parts":[[2008,5]]},"abstract":"<jats:p>The Southern Apennines chain is related to the west\u2010dipping subduction of the Apulian lithosphere. The strongest seismic events mostly occurred in correspondence of the chain axis along normal NW\u2013SE striking faults parallel to the chain axis. These structures are related to mantle wedge upwelling beneath the chain. In the foreland, faulting develops along E\u2013W strike\u2010slip to oblique\u2010slip faults related to the roll\u2010back of the foreland. Similarly to other historical events in Southern Apennines, the I<jats:sub>0<\/jats:sub>= XI (MCS intensity scale) 23 July 1930 earthquake occurred between the chain axis and the thrust front without surface faulting. This event produced more than 1400 casualties and extensive damage elongated approximately E\u2010W. The analysis of the historical waveforms provides the chance to study the fault geometry of this \u201canomalous\u201d event and allow us to clarify its geodynamic significance. Our results indicate that the M<jats:sub>S<\/jats:sub>= 6.6 1930 event nucleated at 14.6 \u00b1 3.06 km depth and ruptured a north dipping, N100\u00b0E striking plane with an oblique motion. The fault propagated along the fault strike 32 km to the east at about 2 km\/s. The eastern fault tip is located in proximity of the Vulture volcano. The 1930 hypocenter, similarly to the 1990 (M<jats:sub>W<\/jats:sub>= 5.8) Southern Apennines event, is within the Mesozoic carbonates of the Apulian foredeep and the rupture developed along a \u201cblind\u201d fault. The 1930 fault kinematics significantly differs from that typical of large Southern Apennines earthquakes, which occur in a distinct seismotectonic domain on late Pleistocene to Holocene outcropping faults. These results stress the role played by pre\u2010existing, \u201cblind\u201d faults in the Apennines subduction setting.<\/jats:p>","DOI":"10.1029\/2007jb005211","type":"journal-article","created":{"date-parts":[[2008,5,5]],"date-time":"2008-05-05T20:00:35Z","timestamp":1210017635000},"source":"Crossref","is-referenced-by-count":27,"title":["Waveform modeling of historical seismograms of the 1930 Irpinia earthquake provides insight on \u201cblind\u201d faulting in Southern Apennines (Italy)"],"prefix":"10.1029","volume":"113","author":[{"given":"N. 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