Journal
GEOPHYSICAL RESEARCH LETTERS
Volume 34, Issue 22, Pages -Publisher
AMER GEOPHYSICAL UNION
DOI: 10.1029/2007GL031515
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We estimated vertical velocities using an array of 12 continuous GPS stations forming part of the PBO NUCLEUS network. We analyzed data spanning the period 1996 through 2006. The array has an aperture similar to 400 km and crosses a major active intracontinental normal fault system in the northern Basin and Range province. The root- meansquare ( RMS) of vertical rates relative to a local no net vertical'' frame is 0.3 mm/ yr, indicating high relative rate precision. The RMS difference between rates based on Delta t <= 7- year sub- strands of the total data set and the full similar to 10- year rate estimates varies as 2.4 Delta t(-1.3) mm/ yr. The net vertical rate observed across the greater Wasatch fault zone is consistent with the predictions of elastic half- space dislocation models only when the deep slipping part of the fault has very shallow dip (<30 degrees).
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