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Titolo:
Refined kinematics of the Eastern California shear zone from GPS observations, 1993-1998
Autore:
Miller, MM; Johnson, DJ; Dixon, TH; Dokka, RK;
Indirizzi:
Cent Washington Univ, Dept Geol Sci, Ellensburg, WA 98926 USA Cent Washington Univ Ellensburg WA USA 98926 ci, Ellensburg, WA 98926 USA Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Div Marine Geol & Geophys, Miami, FL 33149 USA Univ Miami Miami FL USA 33149 Marine Geol & Geophys, Miami, FL 33149 USA Louisiana State Univ, Dept Geol & Geophys, Baton Rouge, LA 70803 USA Louisiana State Univ Baton Rouge LA USA 70803 , Baton Rouge, LA 70803 USA
Titolo Testata:
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH
fascicolo: B2, volume: 106, anno: 2001,
pagine: 2245 - 2263
SICI:
0148-0227(20010210)106:B2<2245:RKOTEC>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
SAN-ANDREAS FAULT; NORTH-AMERICA MOTION; POSITIONING SYSTEM CONSTRAINTS; BASE-LINE INTERFEROMETRY; WESTERN UNITED-STATES; CURRENT PLATE MOTIONS; CENTRAL GARLOCK FAULT; HOLOCENE SLIP RATE; SOUTHERN-CALIFORNIA; MOJAVE-DESERT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
86
Recensione:
Indirizzi per estratti:
Indirizzo: Miller, MM Cent Washington Univ, Dept Geol Sci, 400 E 8th Ave, Ellensburg,WA 98926 USA Cent Washington Univ 400 E 8th Ave Ellensburg WA USA 98926 USA
Citazione:
M.M. Miller et al., "Refined kinematics of the Eastern California shear zone from GPS observations, 1993-1998", J GEO R-SOL, 106(B2), 2001, pp. 2245-2263

Abstract

Global Positioning System (GPS) results from networks spanning the EasternCalifornia shear zone and adjacent Sierra Nevada block, occupied annually between 1993 and 1998, constrain plate margin kinematics. We use an elasticblock model to relate GPS station velocities to long-term fault slip rate estimates. The model accounts for elastic strain accumulation on the San Andreas fault, as well as faults of the Eastern California shear zone. South of the Garlock fault, 14 mm/yr of dextral shear is distributed across the Eastern California shear zone. Some of this slip penetrates eastward into the Basin and Range, and a collective budget of 13 mm/yr is observed to the north at the latitude of Owens Lake. Model slip rates for two important faults, the Garlock and Owens Valley faults, significantly misfit geologic estimates. By referencing station velocities to stable North America we observenorthward-increasing deformation east of our regional GPS network. At the latitude of Mojave Desert, however, some of this deformation is ascribed toelastic strain accumulation due to a locked San Andreas fault and thus does not represent additional fault-related, permanent deformation.

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Documento generato il 23/01/20 alle ore 18:25:30