Crustal strain and fault movement investigation
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Crustal strain and fault movement investigation progress report. by California. Dept. of Water Resources.

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Published in [Sacramento] .
Written in English

Subjects:

  • Seismology -- California.

Book details:

Edition Notes

SeriesCalifornia. Dept. of Water Resources. Bulletin -- no. 116-1, Bulletin (California. Dept. of Water Resources) -- no. 116-1..
Classifications
LC ClassificationsQE535 .C15
The Physical Object
Paginationvii, 96 p.
Number of Pages96
ID Numbers
Open LibraryOL16438402M
LC Control Number63064247

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Additional Physical Format: Print version: California. Department of Water Resources. Crustal strain and fault movement investigation. [Sacramento]   The text then ponders on precision electromagnetic distance-measuring instrument for determining secular strain and fault movement and deep in-situ stress measurements by hydrofracturing. The publication ponders on geotectonic relevance of rock-stress Book Edition: 1. Studies of horizontal crustal movement using conventional geodetic methods have been considerably expanded in the quadrennium – The basic fault monitor Geodimeter network now covers most of the major faults in California as well as the zone of faulting that extends into by: 3.   Description. Recent Crustal Movements, is a compilation of the proceedings of the Sixth International Symposium on Recent Crust Movements. This volume is comprised of 50 papers Book Edition: 1.

Strike-slip faults have side to side motion. In pure strike-slip motion, crustal blocks on either side of the fault do not move up or down relative to each other. There is left-lateral (sinistral) and right-lateral (dextral) strike slip motion. In left-lateral or sinistral strike slip motion. Eastern Indonesia encompasses a complex tectonic environment, involving the convergence of four major tectonic Plates: the Australian, Pacific, Philippine Sea Plates, and the Sunda Block Cited by: The relationship between strain rates, crustal thickening, palaeomagnetism, finite strain and fault movements within a deforming zone. The deformation of continental lithosphere generally does not occur on a single fault, but is distributed over a zone up to a few hundred kilometers by: Therefore, any sudden changes in the rates of crustal movements such as pre-earthquake (stage 2) or post-earthquake (stage 4) movements must represent changes in the rate of strain release rather than strain by:

Get this from a library! Crustal strain and fault movement investigation; faults and earthquake epicenters in California.. [California. Department of Water Resources.].   The spatial strain distribution patterns show a major contractional strain field centered around the Ishikari lowlands including the area of the Ishikari fault zone. This pattern likely indicates that the causes of strain concentration in this area involve elastic strain accumulation along the fault zone and inelastic contraction due to a weak crustal layer near the fault by: 1. The results of the analysis of the observations on the Wairau Fault show that shear strain has been accumulating at a constant rate of ± microradians per year over the last 90 years. The magnitude of the right lateral movement on the fault equivalent to this shear strain is of the same order as that deduced for the l years Cited by: Slip on the fault The mean strain determined from surveys crossing the fault could have resulted from a discrete movement occurring at the fault itself. The study of W.J. Arabasz and R. Robinson (personal communication, ) showed a com- plete absence of micro-earthquakes that could be associated with the Wairau by: