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Titolo:
Fault dynamic rupture simulation of the hypocenter area of the thrust fault of the 1999 Chi-Chi (Taiwan) earthquake
Autore:
Dalguer, LA; Irikura, K; Riera, JD; Chiu, HC;
Indirizzi:
Kyoto Univ, Disaster Prevent Res Inst, Kyoto 6110011, Japan Kyoto Univ Kyoto Japan 6110011 er Prevent Res Inst, Kyoto 6110011, Japan Univ Fed Rio Grande Sul, Curso Pos Graduacao Engn Civil, BR-90035190 PortoAlegre, RS, Brazil Univ Fed Rio Grande Sul Porto Alegre RS Brazil BR-90035190 BC, RS, Brazil Acad Sinica, Inst Earth Sci, Taipei 115, Taiwan Acad Sinica Taipei Taiwan 115 Sinica, Inst Earth Sci, Taipei 115, Taiwan
Titolo Testata:
GEOPHYSICAL RESEARCH LETTERS
fascicolo: 7, volume: 28, anno: 2001,
pagine: 1327 - 1330
SICI:
0094-8276(20010401)28:7<1327:FDRSOT>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
FRICTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Dalguer, LA Kyoto Univ, Disaster Prevent Res Inst, Kyoto 6110011, Japan Kyoto Univ Kyoto Japan 6110011 es Inst, Kyoto 6110011, Japan
Citazione:
L.A. Dalguer et al., "Fault dynamic rupture simulation of the hypocenter area of the thrust fault of the 1999 Chi-Chi (Taiwan) earthquake", GEOPHYS R L, 28(7), 2001, pp. 1327-1330

Abstract

A 2D Discrete Element Model was employed to simulate the rupture propagation and near-source ground motion in the epicentral area of the 1999 Chi-Chi(Taiwan) earthquake. The observations show that the hanging wall side is characterized by larger particle motions than the footwall side. The simulation results reproduce the main features of the recorded ground motion and show that the particle velocity on the hanging wall side and on the footwallside are symmetric in the deeper fault region, however, as the crack approaches the free surface, the hanging wall side is characterized by larger particle motions than the footwall side. These results suggest that the difference in the particle motion on the hanging wall and on the footwall is duemainly to the asymmetric geometry of hanging wall and footwall. Thus, the model used leads to good approximations in the vicinity of the epicenter.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 12:45:29