International Journal of Recent Trends in Engineering & Research

online ISSN

IDENTIFICATION OF THE GEOLOGICAL STRUCTURE OF SEMARANG CITY (BASED ON GRADIENT AND EULER DECONVOLUTION ANALYSIS)

Publication Date : 11/03/2019

DOI : 10.23883/IJRTER.2019.5014.T66AS


Author(s) :

Lilia Rosalia Indah , M irham nurwidyanto , tony Yulianto , Sugeng Widodo.


Volume/Issue :
Volume 5
,
Issue 2
(03 - 2019)



Abstract :

ABSTRACT Gravity data processing has been carried out in the Semarang, Central Java area with measurements made by the La Coste & Romberg gravity meter as many as 71 points scattered in the lower and surrounding parts of Semarang. This study aims to identify the geological structure in the research area. In this study used gradient analysis consisting of first horizontal gradient, second horizontal gradient, first vertical gradient and second vertical gradient to identify the geological structure in the study area. And using additional methods namely Euler Deconvolution analysis to estimate the depth of the geological structure. The results obtained from the study indicate that the existing geological structure in the form of a fault from the gradient analysis is in the southwest which traverses northwest-southeast. While the results of Euler Deconvolution, the average depth of the fault is 100 meters to 1500 meters. Keywords: gravity method, gradient analysis, Euler de-convolution


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