DYNAMIC FRACTURE PROCESS OF BAM EARTHQUAKE

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ESKANDARI MASOUMEH; GHEYTANCHI M.R.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: GEOSCIENCES Year:2010 | Volume:19 | Issue:75 Page(s): 109-114

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Information Journal Paper

Title

DYNAMIC FRACTURE PROCESS OF BAM EARTHQUAKE

Author(s)

ESKANDARI MASOUMEH | GHEYTANCHI M.R. | Issue Writer Certificate

Keywords

DYNAMIC FRACTUREQ3

BAM EARTHQUAKEQ3

FRACTURE FRONTQ3

STRESS HETEROGENEITYQ3

Abstract

In this article, we studied the DYNAMIC FRACTURE process of BAM EARTHQUAKE. In two presented models STRESS HETEROGENEITY on the fault plain was modeled as barrier or asperity and friction included as slip-weakening relationship. Results of models were constrained by near field ground motion recorded in Bam station. In the first model, fracture starts form a weak asperity which its waves surround the neighbor barrier and break it down. In the second model, another asperity is included in southern part of the fault. Breaking barrier releases two FRACTURE FRONTs traveling in two different regimes. One of them travels faster than shear waves and goes to the intersonic velocity. The other front travels with 0.74 shear wave velocity and makes the largest pulse of the record. Both models predict the slip rate successfully, but the second model is more consistent with the real data.

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APA: Copy

ESKANDARI, MASOUMEH, & GHEYTANCHI, M.R.. (2010). DYNAMIC FRACTURE PROCESS OF BAM EARTHQUAKE. GEOSCIENCES, 19(75), 109-114. SID. https://sid.ir/paper/31288/en

Vancouver: Copy

ESKANDARI MASOUMEH, GHEYTANCHI M.R.. DYNAMIC FRACTURE PROCESS OF BAM EARTHQUAKE. GEOSCIENCES[Internet]. 2010;19(75):109-114. Available from: https://sid.ir/paper/31288/en

IEEE: Copy

MASOUMEH ESKANDARI, and M.R. GHEYTANCHI, “DYNAMIC FRACTURE PROCESS OF BAM EARTHQUAKE,” GEOSCIENCES, vol. 19, no. 75, pp. 109–114, 2010, [Online]. Available: https://sid.ir/paper/31288/en

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