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http://hdl.handle.net/2122/1240| Authors: | Emolo, A.* Zollo, A.* |
Title: | Accelerometric radiation simulation for the September 26, 1997 Umbria-Marche (Central Italy) main shocks | Issue Date: | Jun-2001 | Series/Report no.: | 3/44 (2001) | URI: | http://hdl.handle.net/2122/1240 | Keywords: | kinematic source model strong motion simulation Umbria-Marche main shocks |
Subject Classification: | 04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques | Abstract: | We applied a hybrid stochastic-deterministic method to simulate the strong ground motion characteristics associated with the September 26, 1997 Umbria-Marche main shocks. One hundred different rupture processes on previously inferred fault planes were simulated. The maps of computed PGA (mean values from 100 simulations) show a SE alignment for the 00:33 event and a NW alignment for the 09:40 event, in accordance with the macroseismic data. Moreover, we found a good agreement between the predicted 1ó interval for the PGA values and the data recorded at several accelerometric stations. As a further test, we computed the response spectra at the station Cerreto di Spoleto and found a satisfactory agreement with the synthetic results. |
| Appears in Collections: | Annals of Geophysics |
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